Home / 28,341,870.66-42,519,552.53-9,172,627.70

Finding the Fourth Proportional to 28,341,870.66, 42,519,552.53 and 9,172,627.70

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Solution

The fourth proportional to 28,341,870.66, 42,519,552.53 and 9,172,627.70 is: 13,761,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341,870.66 : 42,519,552.53 = 9,172,627.70 : x
  2. Step 2: Convert to fraction form
    28,341,870.66/42,519,552.53 = 9,172,627.70/x
  3. Step 3: Cross multiply
    28,341,870.66x = 42,519,552.53 × 9,172,627.70
  4. Step 4: Simplify right side
    28,341,870.66x = 390,016,025,069,822.19
  5. Step 5: Solve for x
    x = 390,016,025,069,822.19/28,341,870.66
  6. Step 6: Final answer
    x = 13,761,125.01

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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.