Home / 9,780,574.60-14,670,861.90-7,765,035.40

Finding the Fourth Proportional to 9,780,574.60, 14,670,861.90 and 7,765,035.40

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Solution

The fourth proportional to 9,780,574.60, 14,670,861.90 and 7,765,035.40 is: 11,647,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,574.60 : 14,670,861.90 = 7,765,035.40 : x
  2. Step 2: Convert to fraction form
    9,780,574.60/14,670,861.90 = 7,765,035.40/x
  3. Step 3: Cross multiply
    9,780,574.60x = 14,670,861.90 × 7,765,035.40
  4. Step 4: Simplify right side
    9,780,574.60x = 113,919,762,002,011.27
  5. Step 5: Solve for x
    x = 113,919,762,002,011.27/9,780,574.60
  6. Step 6: Final answer
    x = 11,647,553.10

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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.