Home / 30,888,165.40-42,630,784.86-17,141,545.24

Finding the Fourth Proportional to 30,888,165.40, 42,630,784.86 and 17,141,545.24

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Solution

The fourth proportional to 30,888,165.40, 42,630,784.86 and 17,141,545.24 is: 23,658,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,165.40 : 42,630,784.86 = 17,141,545.24 : x
  2. Step 2: Convert to fraction form
    30,888,165.40/42,630,784.86 = 17,141,545.24/x
  3. Step 3: Cross multiply
    30,888,165.40x = 42,630,784.86 × 17,141,545.24
  4. Step 4: Simplify right side
    30,888,165.40x = 730,757,527,294,397
  5. Step 5: Solve for x
    x = 730,757,527,294,397/30,888,165.40
  6. Step 6: Final answer
    x = 23,658,171.92

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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.