Home / 28,551,619.62-42,843,627-15,420,875.04

Finding the Fourth Proportional to 28,551,619.62, 42,843,627 and 15,420,875.04

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Solution

The fourth proportional to 28,551,619.62, 42,843,627 and 15,420,875.04 is: 23,140,060.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,619.62 : 42,843,627 = 15,420,875.04 : x
  2. Step 2: Convert to fraction form
    28,551,619.62/42,843,627 = 15,420,875.04/x
  3. Step 3: Cross multiply
    28,551,619.62x = 42,843,627 × 15,420,875.04
  4. Step 4: Simplify right side
    28,551,619.62x = 660,686,218,227,370
  5. Step 5: Solve for x
    x = 660,686,218,227,370/28,551,619.62
  6. Step 6: Final answer
    x = 23,140,060.95

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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.