Home / 13,535,693.22-18,679,129.49-7,340,876.45

Finding the Fourth Proportional to 13,535,693.22, 18,679,129.49 and 7,340,876.45

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Solution

The fourth proportional to 13,535,693.22, 18,679,129.49 and 7,340,876.45 is: 10,130,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535,693.22 : 18,679,129.49 = 7,340,876.45 : x
  2. Step 2: Convert to fraction form
    13,535,693.22/18,679,129.49 = 7,340,876.45/x
  3. Step 3: Cross multiply
    13,535,693.22x = 18,679,129.49 × 7,340,876.45
  4. Step 4: Simplify right side
    13,535,693.22x = 137,121,181,838,422.47
  5. Step 5: Solve for x
    x = 137,121,181,838,422.47/13,535,693.22
  6. Step 6: Final answer
    x = 10,130,340.54

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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.