Home / 13,366,243.76-18,445,430.04-7,254,673.52

Finding the Fourth Proportional to 13,366,243.76, 18,445,430.04 and 7,254,673.52

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Solution

The fourth proportional to 13,366,243.76, 18,445,430.04 and 7,254,673.52 is: 10,011,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,243.76 : 18,445,430.04 = 7,254,673.52 : x
  2. Step 2: Convert to fraction form
    13,366,243.76/18,445,430.04 = 7,254,673.52/x
  3. Step 3: Cross multiply
    13,366,243.76x = 18,445,430.04 × 7,254,673.52
  4. Step 4: Simplify right side
    13,366,243.76x = 133,815,572,876,200.53
  5. Step 5: Solve for x
    x = 133,815,572,876,200.53/13,366,243.76
  6. Step 6: Final answer
    x = 10,011,456.87

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1.5x scale

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.