Home / 42,306,335.76-63,468,640.26-13,159,620.36

Finding the Fourth Proportional to 42,306,335.76, 63,468,640.26 and 13,159,620.36

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Solution

The fourth proportional to 42,306,335.76, 63,468,640.26 and 13,159,620.36 is: 19,742,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306,335.76 : 63,468,640.26 = 13,159,620.36 : x
  2. Step 2: Convert to fraction form
    42,306,335.76/63,468,640.26 = 13,159,620.36/x
  3. Step 3: Cross multiply
    42,306,335.76x = 63,468,640.26 × 13,159,620.36
  4. Step 4: Simplify right side
    42,306,335.76x = 835,223,210,587,011.62
  5. Step 5: Solve for x
    x = 835,223,210,587,011.62/42,306,335.76
  6. Step 6: Final answer
    x = 19,742,272.54

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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.