Home / 9,712,000.40-14,568,000.60-7,916,910.80

Finding the Fourth Proportional to 9,712,000.40, 14,568,000.60 and 7,916,910.80

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Solution

The fourth proportional to 9,712,000.40, 14,568,000.60 and 7,916,910.80 is: 11,875,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,000.40 : 14,568,000.60 = 7,916,910.80 : x
  2. Step 2: Convert to fraction form
    9,712,000.40/14,568,000.60 = 7,916,910.80/x
  3. Step 3: Cross multiply
    9,712,000.40x = 14,568,000.60 × 7,916,910.80
  4. Step 4: Simplify right side
    9,712,000.40x = 115,333,561,284,546.47
  5. Step 5: Solve for x
    x = 115,333,561,284,546.47/9,712,000.40
  6. Step 6: Final answer
    x = 11,875,366.20

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Similar ratio
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1.5x scale

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.