Home / 20,225,520.10-30,338,280.15-13,423,075.30

Finding the Fourth Proportional to 20,225,520.10, 30,338,280.15 and 13,423,075.30

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Solution

The fourth proportional to 20,225,520.10, 30,338,280.15 and 13,423,075.30 is: 20,134,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,520.10 : 30,338,280.15 = 13,423,075.30 : x
  2. Step 2: Convert to fraction form
    20,225,520.10/30,338,280.15 = 13,423,075.30/x
  3. Step 3: Cross multiply
    20,225,520.10x = 30,338,280.15 × 13,423,075.30
  4. Step 4: Simplify right side
    20,225,520.10x = 407,233,018,925,945.31
  5. Step 5: Solve for x
    x = 407,233,018,925,945.31/20,225,520.10
  6. Step 6: Final answer
    x = 20,134,612.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.