Home / 29,002,106.57-40,021,990.79-15,949,325.12

Finding the Fourth Proportional to 29,002,106.57, 40,021,990.79 and 15,949,325.12

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Solution

The fourth proportional to 29,002,106.57, 40,021,990.79 and 15,949,325.12 is: 22,009,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,106.57 : 40,021,990.79 = 15,949,325.12 : x
  2. Step 2: Convert to fraction form
    29,002,106.57/40,021,990.79 = 15,949,325.12/x
  3. Step 3: Cross multiply
    29,002,106.57x = 40,021,990.79 × 15,949,325.12
  4. Step 4: Simplify right side
    29,002,106.57x = 638,323,742,779,499
  5. Step 5: Solve for x
    x = 638,323,742,779,499/29,002,106.57
  6. Step 6: Final answer
    x = 22,009,564.77

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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.