Home / 13,692,041.55-18,895,018.43-7,497,478.87

Finding the Fourth Proportional to 13,692,041.55, 18,895,018.43 and 7,497,478.87

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Solution

The fourth proportional to 13,692,041.55, 18,895,018.43 and 7,497,478.87 is: 10,346,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,041.55 : 18,895,018.43 = 7,497,478.87 : x
  2. Step 2: Convert to fraction form
    13,692,041.55/18,895,018.43 = 7,497,478.87/x
  3. Step 3: Cross multiply
    13,692,041.55x = 18,895,018.43 × 7,497,478.87
  4. Step 4: Simplify right side
    13,692,041.55x = 141,665,001,398,691.72
  5. Step 5: Solve for x
    x = 141,665,001,398,691.72/13,692,041.55
  6. Step 6: Final answer
    x = 10,346,521.44

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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.