Home / 10,484,985.29-15,728,387.36-3,200,087.07

Finding the Fourth Proportional to 10,484,985.29, 15,728,387.36 and 3,200,087.07

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Solution

The fourth proportional to 10,484,985.29, 15,728,387.36 and 3,200,087.07 is: 4,800,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484,985.29 : 15,728,387.36 = 3,200,087.07 : x
  2. Step 2: Convert to fraction form
    10,484,985.29/15,728,387.36 = 3,200,087.07/x
  3. Step 3: Cross multiply
    10,484,985.29x = 15,728,387.36 × 3,200,087.07
  4. Step 4: Simplify right side
    10,484,985.29x = 50,332,209,006,687
  5. Step 5: Solve for x
    x = 50,332,209,006,687/10,484,985.29
  6. Step 6: Final answer
    x = 4,800,408.17

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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.