Home / 12,797,158.60-17,660,288.82-7,640,970.76

Finding the Fourth Proportional to 12,797,158.60, 17,660,288.82 and 7,640,970.76

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Solution

The fourth proportional to 12,797,158.60, 17,660,288.82 and 7,640,970.76 is: 10,544,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,158.60 : 17,660,288.82 = 7,640,970.76 : x
  2. Step 2: Convert to fraction form
    12,797,158.60/17,660,288.82 = 7,640,970.76/x
  3. Step 3: Cross multiply
    12,797,158.60x = 17,660,288.82 × 7,640,970.76
  4. Step 4: Simplify right side
    12,797,158.60x = 134,941,750,486,774.91
  5. Step 5: Solve for x
    x = 134,941,750,486,774.91/12,797,158.60
  6. Step 6: Final answer
    x = 10,544,665.01

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1.5x scale

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.