Home / 40,989,365.40-61,484,048.10-12,622,517.40

Finding the Fourth Proportional to 40,989,365.40, 61,484,048.10 and 12,622,517.40

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Solution

The fourth proportional to 40,989,365.40, 61,484,048.10 and 12,622,517.40 is: 18,933,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989,365.40 : 61,484,048.10 = 12,622,517.40 : x
  2. Step 2: Convert to fraction form
    40,989,365.40/61,484,048.10 = 12,622,517.40/x
  3. Step 3: Cross multiply
    40,989,365.40x = 61,484,048.10 × 12,622,517.40
  4. Step 4: Simplify right side
    40,989,365.40x = 776,083,466,964,687
  5. Step 5: Solve for x
    x = 776,083,466,964,687/40,989,365.40
  6. Step 6: Final answer
    x = 18,933,776.10

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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.