Home / 40,480,925.40-60,721,340.67-13,187,174.49

Finding the Fourth Proportional to 40,480,925.40, 60,721,340.67 and 13,187,174.49

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Solution

The fourth proportional to 40,480,925.40, 60,721,340.67 and 13,187,174.49 is: 19,780,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,925.40 : 60,721,340.67 = 13,187,174.49 : x
  2. Step 2: Convert to fraction form
    40,480,925.40/60,721,340.67 = 13,187,174.49/x
  3. Step 3: Cross multiply
    40,480,925.40x = 60,721,340.67 × 13,187,174.49
  4. Step 4: Simplify right side
    40,480,925.40x = 800,742,914,682,023.50
  5. Step 5: Solve for x
    x = 800,742,914,682,023.50/40,480,925.40
  6. Step 6: Final answer
    x = 19,780,746.28

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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.