Home / 18,251,439.60-25,189,237.80-10,412,881.68

Finding the Fourth Proportional to 18,251,439.60, 25,189,237.80 and 10,412,881.68

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Solution

The fourth proportional to 18,251,439.60, 25,189,237.80 and 10,412,881.68 is: 14,371,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251,439.60 : 25,189,237.80 = 10,412,881.68 : x
  2. Step 2: Convert to fraction form
    18,251,439.60/25,189,237.80 = 10,412,881.68/x
  3. Step 3: Cross multiply
    18,251,439.60x = 25,189,237.80 × 10,412,881.68
  4. Step 4: Simplify right side
    18,251,439.60x = 262,292,552,820,783.50
  5. Step 5: Solve for x
    x = 262,292,552,820,783.50/18,251,439.60
  6. Step 6: Final answer
    x = 14,371,061.05

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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.