Home / 30,726,991.61-42,402,746.80-16,788,046.74

Finding the Fourth Proportional to 30,726,991.61, 42,402,746.80 and 16,788,046.74

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Solution

The fourth proportional to 30,726,991.61, 42,402,746.80 and 16,788,046.74 is: 23,167,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726,991.61 : 42,402,746.80 = 16,788,046.74 : x
  2. Step 2: Convert to fraction form
    30,726,991.61/42,402,746.80 = 16,788,046.74/x
  3. Step 3: Cross multiply
    30,726,991.61x = 42,402,746.80 × 16,788,046.74
  4. Step 4: Simplify right side
    30,726,991.61x = 711,859,295,044,760.12
  5. Step 5: Solve for x
    x = 711,859,295,044,760.12/30,726,991.61
  6. Step 6: Final answer
    x = 23,167,230.43

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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.