Home / 15,301,876.20-22,952,814.30-13,308,972.45

Finding the Fourth Proportional to 15,301,876.20, 22,952,814.30 and 13,308,972.45

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Solution

The fourth proportional to 15,301,876.20, 22,952,814.30 and 13,308,972.45 is: 19,963,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,876.20 : 22,952,814.30 = 13,308,972.45 : x
  2. Step 2: Convert to fraction form
    15,301,876.20/22,952,814.30 = 13,308,972.45/x
  3. Step 3: Cross multiply
    15,301,876.20x = 22,952,814.30 × 13,308,972.45
  4. Step 4: Simplify right side
    15,301,876.20x = 305,478,373,168,666
  5. Step 5: Solve for x
    x = 305,478,373,168,666/15,301,876.20
  6. Step 6: Final answer
    x = 19,963,458.68

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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.