Home / 22,143,426.60-33,215,139.90-15,686,418.45

Finding the Fourth Proportional to 22,143,426.60, 33,215,139.90 and 15,686,418.45

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Solution

The fourth proportional to 22,143,426.60, 33,215,139.90 and 15,686,418.45 is: 23,529,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,426.60 : 33,215,139.90 = 15,686,418.45 : x
  2. Step 2: Convert to fraction form
    22,143,426.60/33,215,139.90 = 15,686,418.45/x
  3. Step 3: Cross multiply
    22,143,426.60x = 33,215,139.90 × 15,686,418.45
  4. Step 4: Simplify right side
    22,143,426.60x = 521,026,583,346,691.12
  5. Step 5: Solve for x
    x = 521,026,583,346,691.12/22,143,426.60
  6. Step 6: Final answer
    x = 23,529,627.68

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1.5x scale

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.