Home / 12,760,240.20-19,142,109.90-4,239,688.20

Finding the Fourth Proportional to 12,760,240.20, 19,142,109.90 and 4,239,688.20

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Solution

The fourth proportional to 12,760,240.20, 19,142,109.90 and 4,239,688.20 is: 6,360,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,240.20 : 19,142,109.90 = 4,239,688.20 : x
  2. Step 2: Convert to fraction form
    12,760,240.20/19,142,109.90 = 4,239,688.20/x
  3. Step 3: Cross multiply
    12,760,240.20x = 19,142,109.90 × 4,239,688.20
  4. Step 4: Simplify right side
    12,760,240.20x = 81,156,577,466,133.17
  5. Step 5: Solve for x
    x = 81,156,577,466,133.17/12,760,240.20
  6. Step 6: Final answer
    x = 6,360,113.62

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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.