Home / 38,635,075.20-57,931,617.60-13,062,921.60

Finding the Fourth Proportional to 38,635,075.20, 57,931,617.60 and 13,062,921.60

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Solution

The fourth proportional to 38,635,075.20, 57,931,617.60 and 13,062,921.60 is: 19,587,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,635,075.20 : 57,931,617.60 = 13,062,921.60 : x
  2. Step 2: Convert to fraction form
    38,635,075.20/57,931,617.60 = 13,062,921.60/x
  3. Step 3: Cross multiply
    38,635,075.20x = 57,931,617.60 × 13,062,921.60
  4. Step 4: Simplify right side
    38,635,075.20x = 756,756,178,869,980.12
  5. Step 5: Solve for x
    x = 756,756,178,869,980.12/38,635,075.20
  6. Step 6: Final answer
    x = 19,587,283.70

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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.