Home / 12,308,614.40-18,466,334.40-5,123,532.80

Finding the Fourth Proportional to 12,308,614.40, 18,466,334.40 and 5,123,532.80

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Solution

The fourth proportional to 12,308,614.40, 18,466,334.40 and 5,123,532.80 is: 7,686,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,614.40 : 18,466,334.40 = 5,123,532.80 : x
  2. Step 2: Convert to fraction form
    12,308,614.40/18,466,334.40 = 5,123,532.80/x
  3. Step 3: Cross multiply
    12,308,614.40x = 18,466,334.40 × 5,123,532.80
  4. Step 4: Simplify right side
    12,308,614.40x = 94,612,869,994,168.31
  5. Step 5: Solve for x
    x = 94,612,869,994,168.31/12,308,614.40
  6. Step 6: Final answer
    x = 7,686,719.80

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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.