Home / 15,875,855.20-23,820,003.60-6,289,602.40

Finding the Fourth Proportional to 15,875,855.20, 23,820,003.60 and 6,289,602.40

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Solution

The fourth proportional to 15,875,855.20, 23,820,003.60 and 6,289,602.40 is: 9,436,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,855.20 : 23,820,003.60 = 6,289,602.40 : x
  2. Step 2: Convert to fraction form
    15,875,855.20/23,820,003.60 = 6,289,602.40/x
  3. Step 3: Cross multiply
    15,875,855.20x = 23,820,003.60 × 6,289,602.40
  4. Step 4: Simplify right side
    15,875,855.20x = 149,818,351,810,568.66
  5. Step 5: Solve for x
    x = 149,818,351,810,568.66/15,875,855.20
  6. Step 6: Final answer
    x = 9,436,868.12

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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.