Home / 42,749,793.60-64,124,690.40-10,401,439.20

Finding the Fourth Proportional to 42,749,793.60, 64,124,690.40 and 10,401,439.20

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Solution

The fourth proportional to 42,749,793.60, 64,124,690.40 and 10,401,439.20 is: 15,602,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749,793.60 : 64,124,690.40 = 10,401,439.20 : x
  2. Step 2: Convert to fraction form
    42,749,793.60/64,124,690.40 = 10,401,439.20/x
  3. Step 3: Cross multiply
    42,749,793.60x = 64,124,690.40 × 10,401,439.20
  4. Step 4: Simplify right side
    42,749,793.60x = 666,989,068,414,423.62
  5. Step 5: Solve for x
    x = 666,989,068,414,423.62/42,749,793.60
  6. Step 6: Final answer
    x = 15,602,158.80

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1.5x scale

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.