Home / 12,287,841.33-16,963,595.75-8,976,417.21

Finding the Fourth Proportional to 12,287,841.33, 16,963,595.75 and 8,976,417.21

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Solution

The fourth proportional to 12,287,841.33, 16,963,595.75 and 8,976,417.21 is: 12,392,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,841.33 : 16,963,595.75 = 8,976,417.21 : x
  2. Step 2: Convert to fraction form
    12,287,841.33/16,963,595.75 = 8,976,417.21/x
  3. Step 3: Cross multiply
    12,287,841.33x = 16,963,595.75 × 8,976,417.21
  4. Step 4: Simplify right side
    12,287,841.33x = 152,272,312,788,900.78
  5. Step 5: Solve for x
    x = 152,272,312,788,900.78/12,287,841.33
  6. Step 6: Final answer
    x = 12,392,112.55

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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.