Home / 10,280,931.20-15,416,731.20-3,889,059.20

Finding the Fourth Proportional to 10,280,931.20, 15,416,731.20 and 3,889,059.20

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Solution

The fourth proportional to 10,280,931.20, 15,416,731.20 and 3,889,059.20 is: 5,831,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,931.20 : 15,416,731.20 = 3,889,059.20 : x
  2. Step 2: Convert to fraction form
    10,280,931.20/15,416,731.20 = 3,889,059.20/x
  3. Step 3: Cross multiply
    10,280,931.20x = 15,416,731.20 × 3,889,059.20
  4. Step 4: Simplify right side
    10,280,931.20x = 59,956,580,307,287.04
  5. Step 5: Solve for x
    x = 59,956,580,307,287.04/10,280,931.20
  6. Step 6: Final answer
    x = 5,831,823.90

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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.