Home / 40,941,583.05-61,391,838.65-13,638,276.80

Finding the Fourth Proportional to 40,941,583.05, 61,391,838.65 and 13,638,276.80

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Solution

The fourth proportional to 40,941,583.05, 61,391,838.65 and 13,638,276.80 is: 20,450,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,941,583.05 : 61,391,838.65 = 13,638,276.80 : x
  2. Step 2: Convert to fraction form
    40,941,583.05/61,391,838.65 = 13,638,276.80/x
  3. Step 3: Cross multiply
    40,941,583.05x = 61,391,838.65 × 13,638,276.80
  4. Step 4: Simplify right side
    40,941,583.05x = 837,278,888,394,487.75
  5. Step 5: Solve for x
    x = 837,278,888,394,487.75/40,941,583.05
  6. Step 6: Final answer
    x = 20,450,574.36

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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.