Home / 28,177,368.60-42,266,052.90-10,224,139.80

Finding the Fourth Proportional to 28,177,368.60, 42,266,052.90 and 10,224,139.80

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Solution

The fourth proportional to 28,177,368.60, 42,266,052.90 and 10,224,139.80 is: 15,336,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177,368.60 : 42,266,052.90 = 10,224,139.80 : x
  2. Step 2: Convert to fraction form
    28,177,368.60/42,266,052.90 = 10,224,139.80/x
  3. Step 3: Cross multiply
    28,177,368.60x = 42,266,052.90 × 10,224,139.80
  4. Step 4: Simplify right side
    28,177,368.60x = 432,134,033,643,795.44
  5. Step 5: Solve for x
    x = 432,134,033,643,795.44/28,177,368.60
  6. Step 6: Final answer
    x = 15,336,209.70

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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.