Home / 10,709,727.60-16,040,971.80-5,655,133.20

Finding the Fourth Proportional to 10,709,727.60, 16,040,971.80 and 5,655,133.20

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Solution

The fourth proportional to 10,709,727.60, 16,040,971.80 and 5,655,133.20 is: 8,470,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709,727.60 : 16,040,971.80 = 5,655,133.20 : x
  2. Step 2: Convert to fraction form
    10,709,727.60/16,040,971.80 = 5,655,133.20/x
  3. Step 3: Cross multiply
    10,709,727.60x = 16,040,971.80 × 5,655,133.20
  4. Step 4: Simplify right side
    10,709,727.60x = 90,713,832,186,443.77
  5. Step 5: Solve for x
    x = 90,713,832,186,443.77/10,709,727.60
  6. Step 6: Final answer
    x = 8,470,227.78

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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.