Home / 29,002,109.57-40,021,994.93-15,949,328.12

Finding the Fourth Proportional to 29,002,109.57, 40,021,994.93 and 15,949,328.12

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Solution

The fourth proportional to 29,002,109.57, 40,021,994.93 and 15,949,328.12 is: 22,009,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002,109.57 : 40,021,994.93 = 15,949,328.12 : x
  2. Step 2: Convert to fraction form
    29,002,109.57/40,021,994.93 = 15,949,328.12/x
  3. Step 3: Cross multiply
    29,002,109.57x = 40,021,994.93 × 15,949,328.12
  4. Step 4: Simplify right side
    29,002,109.57x = 638,323,928,875,689.75
  5. Step 5: Solve for x
    x = 638,323,928,875,689.75/29,002,109.57
  6. Step 6: Final answer
    x = 22,009,568.91

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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.