Home / 11,991,802.92-16,549,641.30-7,642,841.64

Finding the Fourth Proportional to 11,991,802.92, 16,549,641.30 and 7,642,841.64

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Solution

The fourth proportional to 11,991,802.92, 16,549,641.30 and 7,642,841.64 is: 10,547,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991,802.92 : 16,549,641.30 = 7,642,841.64 : x
  2. Step 2: Convert to fraction form
    11,991,802.92/16,549,641.30 = 7,642,841.64/x
  3. Step 3: Cross multiply
    11,991,802.92x = 16,549,641.30 × 7,642,841.64
  4. Step 4: Simplify right side
    11,991,802.92x = 126,486,287,654,703.73
  5. Step 5: Solve for x
    x = 126,486,287,654,703.73/11,991,802.92
  6. Step 6: Final answer
    x = 10,547,729.02

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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.