Home / 12,954,259.60-19,431,389.40-12,581,011.60

Finding the Fourth Proportional to 12,954,259.60, 19,431,389.40 and 12,581,011.60

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Solution

The fourth proportional to 12,954,259.60, 19,431,389.40 and 12,581,011.60 is: 18,871,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,259.60 : 19,431,389.40 = 12,581,011.60 : x
  2. Step 2: Convert to fraction form
    12,954,259.60/19,431,389.40 = 12,581,011.60/x
  3. Step 3: Cross multiply
    12,954,259.60x = 19,431,389.40 × 12,581,011.60
  4. Step 4: Simplify right side
    12,954,259.60x = 244,466,535,445,517
  5. Step 5: Solve for x
    x = 244,466,535,445,517/12,954,259.60
  6. Step 6: Final answer
    x = 18,871,517.40

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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.