Home / 14,389,905.30-21,556,864.35-8,693,207.70

Finding the Fourth Proportional to 14,389,905.30, 21,556,864.35 and 8,693,207.70

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Solution

The fourth proportional to 14,389,905.30, 21,556,864.35 and 8,693,207.70 is: 13,022,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,905.30 : 21,556,864.35 = 8,693,207.70 : x
  2. Step 2: Convert to fraction form
    14,389,905.30/21,556,864.35 = 8,693,207.70/x
  3. Step 3: Cross multiply
    14,389,905.30x = 21,556,864.35 × 8,693,207.70
  4. Step 4: Simplify right side
    14,389,905.30x = 187,398,299,155,275.50
  5. Step 5: Solve for x
    x = 187,398,299,155,275.50/14,389,905.30
  6. Step 6: Final answer
    x = 13,022,900.10

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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.