Home / 12,761,569.65-19,142,354.48-11,167,246.65

Finding the Fourth Proportional to 12,761,569.65, 19,142,354.48 and 11,167,246.65

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Solution

The fourth proportional to 12,761,569.65, 19,142,354.48 and 11,167,246.65 is: 16,750,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,569.65 : 19,142,354.48 = 11,167,246.65 : x
  2. Step 2: Convert to fraction form
    12,761,569.65/19,142,354.48 = 11,167,246.65/x
  3. Step 3: Cross multiply
    12,761,569.65x = 19,142,354.48 × 11,167,246.65
  4. Step 4: Simplify right side
    12,761,569.65x = 213,767,393,884,056.28
  5. Step 5: Solve for x
    x = 213,767,393,884,056.28/12,761,569.65
  6. Step 6: Final answer
    x = 16,750,869.98

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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.