Home / 30,468,240.80-42,046,167.74-17,415,779.97

Finding the Fourth Proportional to 30,468,240.80, 42,046,167.74 and 17,415,779.97

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Solution

The fourth proportional to 30,468,240.80, 42,046,167.74 and 17,415,779.97 is: 24,033,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,240.80 : 42,046,167.74 = 17,415,779.97 : x
  2. Step 2: Convert to fraction form
    30,468,240.80/42,046,167.74 = 17,415,779.97/x
  3. Step 3: Cross multiply
    30,468,240.80x = 42,046,167.74 × 17,415,779.97
  4. Step 4: Simplify right side
    30,468,240.80x = 732,266,805,941,552.12
  5. Step 5: Solve for x
    x = 732,266,805,941,552.12/30,468,240.80
  6. Step 6: Final answer
    x = 24,033,773.75

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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.