Home / 6,876,503.40-10,314,755.10-6,288,637.80

Finding the Fourth Proportional to 6,876,503.40, 10,314,755.10 and 6,288,637.80

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Solution

The fourth proportional to 6,876,503.40, 10,314,755.10 and 6,288,637.80 is: 9,432,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,503.40 : 10,314,755.10 = 6,288,637.80 : x
  2. Step 2: Convert to fraction form
    6,876,503.40/10,314,755.10 = 6,288,637.80/x
  3. Step 3: Cross multiply
    6,876,503.40x = 10,314,755.10 × 6,288,637.80
  4. Step 4: Simplify right side
    6,876,503.40x = 64,865,758,819,602.77
  5. Step 5: Solve for x
    x = 64,865,758,819,602.77/6,876,503.40
  6. Step 6: Final answer
    x = 9,432,956.70

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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.