Home / 13,755,760.16-18,983,409.36-7,644,446.24

Finding the Fourth Proportional to 13,755,760.16, 18,983,409.36 and 7,644,446.24

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Solution

The fourth proportional to 13,755,760.16, 18,983,409.36 and 7,644,446.24 is: 10,549,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,760.16 : 18,983,409.36 = 7,644,446.24 : x
  2. Step 2: Convert to fraction form
    13,755,760.16/18,983,409.36 = 7,644,446.24/x
  3. Step 3: Cross multiply
    13,755,760.16x = 18,983,409.36 × 7,644,446.24
  4. Step 4: Simplify right side
    13,755,760.16x = 145,117,652,304,432.81
  5. Step 5: Solve for x
    x = 145,117,652,304,432.81/13,755,760.16
  6. Step 6: Final answer
    x = 10,549,591.63

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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.