Home / 15,133,959.72-20,885,308.65-8,258,885.46

Finding the Fourth Proportional to 15,133,959.72, 20,885,308.65 and 8,258,885.46

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Solution

The fourth proportional to 15,133,959.72, 20,885,308.65 and 8,258,885.46 is: 11,397,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,959.72 : 20,885,308.65 = 8,258,885.46 : x
  2. Step 2: Convert to fraction form
    15,133,959.72/20,885,308.65 = 8,258,885.46/x
  3. Step 3: Cross multiply
    15,133,959.72x = 20,885,308.65 × 8,258,885.46
  4. Step 4: Simplify right side
    15,133,959.72x = 172,489,371,937,097.22
  5. Step 5: Solve for x
    x = 172,489,371,937,097.22/15,133,959.72
  6. Step 6: Final answer
    x = 11,397,504.36

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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.