Home / 40,357,341.20-55,692,672.36-22,022,938.64

Finding the Fourth Proportional to 40,357,341.20, 55,692,672.36 and 22,022,938.64

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Solution

The fourth proportional to 40,357,341.20, 55,692,672.36 and 22,022,938.64 is: 30,391,405.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357,341.20 : 55,692,672.36 = 22,022,938.64 : x
  2. Step 2: Convert to fraction form
    40,357,341.20/55,692,672.36 = 22,022,938.64/x
  3. Step 3: Cross multiply
    40,357,341.20x = 55,692,672.36 × 22,022,938.64
  4. Step 4: Simplify right side
    40,357,341.20x = 1,226,516,306,081,904
  5. Step 5: Solve for x
    x = 1,226,516,306,081,904/40,357,341.20
  6. Step 6: Final answer
    x = 30,391,405.12

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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.