Home / 29,002,732.21-40,022,971.05-15,949,990.81

Finding the Fourth Proportional to 29,002,732.21, 40,022,971.05 and 15,949,990.81

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Solution

The fourth proportional to 29,002,732.21, 40,022,971.05 and 15,949,990.81 is: 22,010,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,732.21 : 40,022,971.05 = 15,949,990.81 : x
  2. Step 2: Convert to fraction form
    29,002,732.21/40,022,971.05 = 15,949,990.81/x
  3. Step 3: Cross multiply
    29,002,732.21x = 40,022,971.05 × 15,949,990.81
  4. Step 4: Simplify right side
    29,002,732.21x = 638,366,020,436,396
  5. Step 5: Solve for x
    x = 638,366,020,436,396/29,002,732.21
  6. Step 6: Final answer
    x = 22,010,547.69

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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.