Home / 13,839,498.90-19,098,125.42-7,644,434.58

Finding the Fourth Proportional to 13,839,498.90, 19,098,125.42 and 7,644,434.58

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Solution

The fourth proportional to 13,839,498.90, 19,098,125.42 and 7,644,434.58 is: 10,549,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839,498.90 : 19,098,125.42 = 7,644,434.58 : x
  2. Step 2: Convert to fraction form
    13,839,498.90/19,098,125.42 = 7,644,434.58/x
  3. Step 3: Cross multiply
    13,839,498.90x = 19,098,125.42 × 7,644,434.58
  4. Step 4: Simplify right side
    13,839,498.90x = 145,994,370,335,602.84
  5. Step 5: Solve for x
    x = 145,994,370,335,602.84/13,839,498.90
  6. Step 6: Final answer
    x = 10,549,108.13

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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.