Home / 12,943,455.42-17,862,347.49-7,063,468.49

Finding the Fourth Proportional to 12,943,455.42, 17,862,347.49 and 7,063,468.49

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Solution

The fourth proportional to 12,943,455.42, 17,862,347.49 and 7,063,468.49 is: 9,747,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,455.42 : 17,862,347.49 = 7,063,468.49 : x
  2. Step 2: Convert to fraction form
    12,943,455.42/17,862,347.49 = 7,063,468.49/x
  3. Step 3: Cross multiply
    12,943,455.42x = 17,862,347.49 × 7,063,468.49
  4. Step 4: Simplify right side
    12,943,455.42x = 126,170,128,653,045.58
  5. Step 5: Solve for x
    x = 126,170,128,653,045.58/12,943,455.42
  6. Step 6: Final answer
    x = 9,747,793.35

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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.