Home / 9,770,687.60-14,656,031.40-8,778,664.40

Finding the Fourth Proportional to 9,770,687.60, 14,656,031.40 and 8,778,664.40

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Solution

The fourth proportional to 9,770,687.60, 14,656,031.40 and 8,778,664.40 is: 13,167,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,687.60 : 14,656,031.40 = 8,778,664.40 : x
  2. Step 2: Convert to fraction form
    9,770,687.60/14,656,031.40 = 8,778,664.40/x
  3. Step 3: Cross multiply
    9,770,687.60x = 14,656,031.40 × 8,778,664.40
  4. Step 4: Simplify right side
    9,770,687.60x = 128,660,381,096,462.17
  5. Step 5: Solve for x
    x = 128,660,381,096,462.17/9,770,687.60
  6. Step 6: Final answer
    x = 13,167,996.60

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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.