Home / 11,178,046.80-16,767,070.20-9,371,147.40

Finding the Fourth Proportional to 11,178,046.80, 16,767,070.20 and 9,371,147.40

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Solution

The fourth proportional to 11,178,046.80, 16,767,070.20 and 9,371,147.40 is: 14,056,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,046.80 : 16,767,070.20 = 9,371,147.40 : x
  2. Step 2: Convert to fraction form
    11,178,046.80/16,767,070.20 = 9,371,147.40/x
  3. Step 3: Cross multiply
    11,178,046.80x = 16,767,070.20 × 9,371,147.40
  4. Step 4: Simplify right side
    11,178,046.80x = 157,126,686,310,347.47
  5. Step 5: Solve for x
    x = 157,126,686,310,347.47/11,178,046.80
  6. Step 6: Final answer
    x = 14,056,721.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.