Home / 19,591,142.40-29,362,219.20-10,010,332.80

Finding the Fourth Proportional to 19,591,142.40, 29,362,219.20 and 10,010,332.80

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Solution

The fourth proportional to 19,591,142.40, 29,362,219.20 and 10,010,332.80 is: 15,002,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591,142.40 : 29,362,219.20 = 10,010,332.80 : x
  2. Step 2: Convert to fraction form
    19,591,142.40/29,362,219.20 = 10,010,332.80/x
  3. Step 3: Cross multiply
    19,591,142.40x = 29,362,219.20 × 10,010,332.80
  4. Step 4: Simplify right side
    19,591,142.40x = 293,925,585,938,549.75
  5. Step 5: Solve for x
    x = 293,925,585,938,549.75/19,591,142.40
  6. Step 6: Final answer
    x = 15,002,983.49

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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.