Home / 30,608,930.61-42,238,386.45-16,857,894.74

Finding the Fourth Proportional to 30,608,930.61, 42,238,386.45 and 16,857,894.74

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Solution

The fourth proportional to 30,608,930.61, 42,238,386.45 and 16,857,894.74 is: 23,262,827.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,930.61 : 42,238,386.45 = 16,857,894.74 : x
  2. Step 2: Convert to fraction form
    30,608,930.61/42,238,386.45 = 16,857,894.74/x
  3. Step 3: Cross multiply
    30,608,930.61x = 42,238,386.45 × 16,857,894.74
  4. Step 4: Simplify right side
    30,608,930.61x = 712,050,272,550,350.38
  5. Step 5: Solve for x
    x = 712,050,272,550,350.38/30,608,930.61
  6. Step 6: Final answer
    x = 23,262,827.49

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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.