Home / 14,771,701.09-20,388,348.75-8,662,097.89

Finding the Fourth Proportional to 14,771,701.09, 20,388,348.75 and 8,662,097.89

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Solution

The fourth proportional to 14,771,701.09, 20,388,348.75 and 8,662,097.89 is: 11,955,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,701.09 : 20,388,348.75 = 8,662,097.89 : x
  2. Step 2: Convert to fraction form
    14,771,701.09/20,388,348.75 = 8,662,097.89/x
  3. Step 3: Cross multiply
    14,771,701.09x = 20,388,348.75 × 8,662,097.89
  4. Step 4: Simplify right side
    14,771,701.09x = 176,605,872,687,959.16
  5. Step 5: Solve for x
    x = 176,605,872,687,959.16/14,771,701.09
  6. Step 6: Final answer
    x = 11,955,689.57

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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.