Home / 28,601,618.92-42,893,317.50-9,428,802.28

Finding the Fourth Proportional to 28,601,618.92, 42,893,317.50 and 9,428,802.28

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Solution

The fourth proportional to 28,601,618.92, 42,893,317.50 and 9,428,802.28 is: 14,140,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,618.92 : 42,893,317.50 = 9,428,802.28 : x
  2. Step 2: Convert to fraction form
    28,601,618.92/42,893,317.50 = 9,428,802.28/x
  3. Step 3: Cross multiply
    28,601,618.92x = 42,893,317.50 × 9,428,802.28
  4. Step 4: Simplify right side
    28,601,618.92x = 404,432,609,840,763.88
  5. Step 5: Solve for x
    x = 404,432,609,840,763.88/28,601,618.92
  6. Step 6: Final answer
    x = 14,140,199.93

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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.