Home / 8,670,359.10-13,012,911.45-3,885,411.90

Finding the Fourth Proportional to 8,670,359.10, 13,012,911.45 and 3,885,411.90

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Solution

The fourth proportional to 8,670,359.10, 13,012,911.45 and 3,885,411.90 is: 5,831,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,359.10 : 13,012,911.45 = 3,885,411.90 : x
  2. Step 2: Convert to fraction form
    8,670,359.10/13,012,911.45 = 3,885,411.90/x
  3. Step 3: Cross multiply
    8,670,359.10x = 13,012,911.45 × 3,885,411.90
  4. Step 4: Simplify right side
    8,670,359.10x = 50,560,521,001,476.25
  5. Step 5: Solve for x
    x = 50,560,521,001,476.25/8,670,359.10
  6. Step 6: Final answer
    x = 5,831,421.79

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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.