Home / 28,416,176.80-42,624,265.20-17,069,437.60

Finding the Fourth Proportional to 28,416,176.80, 42,624,265.20 and 17,069,437.60

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Solution

The fourth proportional to 28,416,176.80, 42,624,265.20 and 17,069,437.60 is: 25,604,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,176.80 : 42,624,265.20 = 17,069,437.60 : x
  2. Step 2: Convert to fraction form
    28,416,176.80/42,624,265.20 = 17,069,437.60/x
  3. Step 3: Cross multiply
    28,416,176.80x = 42,624,265.20 × 17,069,437.60
  4. Step 4: Simplify right side
    28,416,176.80x = 727,572,235,077,251.62
  5. Step 5: Solve for x
    x = 727,572,235,077,251.62/28,416,176.80
  6. Step 6: Final answer
    x = 25,604,156.40

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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.