Home / 28,596,532.80-42,894,799.20-10,641,921.60

Finding the Fourth Proportional to 28,596,532.80, 42,894,799.20 and 10,641,921.60

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Solution

The fourth proportional to 28,596,532.80, 42,894,799.20 and 10,641,921.60 is: 15,962,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,532.80 : 42,894,799.20 = 10,641,921.60 : x
  2. Step 2: Convert to fraction form
    28,596,532.80/42,894,799.20 = 10,641,921.60/x
  3. Step 3: Cross multiply
    28,596,532.80x = 42,894,799.20 × 10,641,921.60
  4. Step 4: Simplify right side
    28,596,532.80x = 456,483,090,134,142.75
  5. Step 5: Solve for x
    x = 456,483,090,134,142.75/28,596,532.80
  6. Step 6: Final answer
    x = 15,962,882.40

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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.