Home / 12,955,773.20-19,445,410.20-6,570,467.60

Finding the Fourth Proportional to 12,955,773.20, 19,445,410.20 and 6,570,467.60

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Solution

The fourth proportional to 12,955,773.20, 19,445,410.20 and 6,570,467.60 is: 9,861,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,773.20 : 19,445,410.20 = 6,570,467.60 : x
  2. Step 2: Convert to fraction form
    12,955,773.20/19,445,410.20 = 6,570,467.60/x
  3. Step 3: Cross multiply
    12,955,773.20x = 19,445,410.20 × 6,570,467.60
  4. Step 4: Simplify right side
    12,955,773.20x = 127,765,437,687,809.52
  5. Step 5: Solve for x
    x = 127,765,437,687,809.52/12,955,773.20
  6. Step 6: Final answer
    x = 9,861,660.57

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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.