Home / 51,861,878.13-71,569,368.18-28,656,802.11

Finding the Fourth Proportional to 51,861,878.13, 71,569,368.18 and 28,656,802.11

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Solution

The fourth proportional to 51,861,878.13, 71,569,368.18 and 28,656,802.11 is: 39,546,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861,878.13 : 71,569,368.18 = 28,656,802.11 : x
  2. Step 2: Convert to fraction form
    51,861,878.13/71,569,368.18 = 28,656,802.11/x
  3. Step 3: Cross multiply
    51,861,878.13x = 71,569,368.18 × 28,656,802.11
  4. Step 4: Simplify right side
    51,861,878.13x = 2,050,949,221,071,991
  5. Step 5: Solve for x
    x = 2,050,949,221,071,991/51,861,878.13
  6. Step 6: Final answer
    x = 39,546,373.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.