Home / 12,308,616.40-18,466,337.40-5,123,534.80

Finding the Fourth Proportional to 12,308,616.40, 18,466,337.40 and 5,123,534.80

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Solution

The fourth proportional to 12,308,616.40, 18,466,337.40 and 5,123,534.80 is: 7,686,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,616.40 : 18,466,337.40 = 5,123,534.80 : x
  2. Step 2: Convert to fraction form
    12,308,616.40/18,466,337.40 = 5,123,534.80/x
  3. Step 3: Cross multiply
    12,308,616.40x = 18,466,337.40 × 5,123,534.80
  4. Step 4: Simplify right side
    12,308,616.40x = 94,612,922,297,441.52
  5. Step 5: Solve for x
    x = 94,612,922,297,441.52/12,308,616.40
  6. Step 6: Final answer
    x = 7,686,722.80

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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.