Home / 30,144,497.80-45,216,746.70-9,947,115.40

Finding the Fourth Proportional to 30,144,497.80, 45,216,746.70 and 9,947,115.40

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Solution

The fourth proportional to 30,144,497.80, 45,216,746.70 and 9,947,115.40 is: 14,920,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144,497.80 : 45,216,746.70 = 9,947,115.40 : x
  2. Step 2: Convert to fraction form
    30,144,497.80/45,216,746.70 = 9,947,115.40/x
  3. Step 3: Cross multiply
    30,144,497.80x = 45,216,746.70 × 9,947,115.40
  4. Step 4: Simplify right side
    30,144,497.80x = 449,776,197,437,469.25
  5. Step 5: Solve for x
    x = 449,776,197,437,469.25/30,144,497.80
  6. Step 6: Final answer
    x = 14,920,673.10

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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.