Home / 10,989,586.49-15,163,624.10-6,341,675.90

Finding the Fourth Proportional to 10,989,586.49, 15,163,624.10 and 6,341,675.90

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Solution

The fourth proportional to 10,989,586.49, 15,163,624.10 and 6,341,675.90 is: 8,750,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,586.49 : 15,163,624.10 = 6,341,675.90 : x
  2. Step 2: Convert to fraction form
    10,989,586.49/15,163,624.10 = 6,341,675.90/x
  3. Step 3: Cross multiply
    10,989,586.49x = 15,163,624.10 × 6,341,675.90
  4. Step 4: Simplify right side
    10,989,586.49x = 96,162,789,479,920.83
  5. Step 5: Solve for x
    x = 96,162,789,479,920.83/10,989,586.49
  6. Step 6: Final answer
    x = 8,750,355.58

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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.