Home / 15,106,280.64-20,846,404.80-8,230,819.20

Finding the Fourth Proportional to 15,106,280.64, 20,846,404.80 and 8,230,819.20

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Solution

The fourth proportional to 15,106,280.64, 20,846,404.80 and 8,230,819.20 is: 11,358,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,280.64 : 20,846,404.80 = 8,230,819.20 : x
  2. Step 2: Convert to fraction form
    15,106,280.64/20,846,404.80 = 8,230,819.20/x
  3. Step 3: Cross multiply
    15,106,280.64x = 20,846,404.80 × 8,230,819.20
  4. Step 4: Simplify right side
    15,106,280.64x = 171,582,988,878,812.16
  5. Step 5: Solve for x
    x = 171,582,988,878,812.16/15,106,280.64
  6. Step 6: Final answer
    x = 11,358,387.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.