Home / 31,005,511.07-42,791,679.66-17,779,863.66

Finding the Fourth Proportional to 31,005,511.07, 42,791,679.66 and 17,779,863.66

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Solution

The fourth proportional to 31,005,511.07, 42,791,679.66 and 17,779,863.66 is: 24,538,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005,511.07 : 42,791,679.66 = 17,779,863.66 : x
  2. Step 2: Convert to fraction form
    31,005,511.07/42,791,679.66 = 17,779,863.66/x
  3. Step 3: Cross multiply
    31,005,511.07x = 42,791,679.66 × 17,779,863.66
  4. Step 4: Simplify right side
    31,005,511.07x = 760,830,230,137,195.12
  5. Step 5: Solve for x
    x = 760,830,230,137,195.12/31,005,511.07
  6. Step 6: Final answer
    x = 24,538,548.28

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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.