Home / 13,839,499.40-19,098,126.11-7,644,435.08

Finding the Fourth Proportional to 13,839,499.40, 19,098,126.11 and 7,644,435.08

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Solution

The fourth proportional to 13,839,499.40, 19,098,126.11 and 7,644,435.08 is: 10,549,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,499.40 : 19,098,126.11 = 7,644,435.08 : x
  2. Step 2: Convert to fraction form
    13,839,499.40/19,098,126.11 = 7,644,435.08/x
  3. Step 3: Cross multiply
    13,839,499.40x = 19,098,126.11 × 7,644,435.08
  4. Step 4: Simplify right side
    13,839,499.40x = 145,994,385,159,325.78
  5. Step 5: Solve for x
    x = 145,994,385,159,325.78/13,839,499.40
  6. Step 6: Final answer
    x = 10,549,108.82

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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.