Home / 8,889,743.70-13,334,615.55-8,541,378.90

Finding the Fourth Proportional to 8,889,743.70, 13,334,615.55 and 8,541,378.90

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Solution

The fourth proportional to 8,889,743.70, 13,334,615.55 and 8,541,378.90 is: 12,812,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,743.70 : 13,334,615.55 = 8,541,378.90 : x
  2. Step 2: Convert to fraction form
    8,889,743.70/13,334,615.55 = 8,541,378.90/x
  3. Step 3: Cross multiply
    8,889,743.70x = 13,334,615.55 × 8,541,378.90
  4. Step 4: Simplify right side
    8,889,743.70x = 113,896,003,898,381.91
  5. Step 5: Solve for x
    x = 113,896,003,898,381.91/8,889,743.70
  6. Step 6: Final answer
    x = 12,812,068.35

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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.