Home / 9,778,276.80-14,667,415.20-7,124,068.80

Finding the Fourth Proportional to 9,778,276.80, 14,667,415.20 and 7,124,068.80

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Solution

The fourth proportional to 9,778,276.80, 14,667,415.20 and 7,124,068.80 is: 10,686,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,276.80 : 14,667,415.20 = 7,124,068.80 : x
  2. Step 2: Convert to fraction form
    9,778,276.80/14,667,415.20 = 7,124,068.80/x
  3. Step 3: Cross multiply
    9,778,276.80x = 14,667,415.20 × 7,124,068.80
  4. Step 4: Simplify right side
    9,778,276.80x = 104,491,675,002,965.75
  5. Step 5: Solve for x
    x = 104,491,675,002,965.75/9,778,276.80
  6. Step 6: Final answer
    x = 10,686,103.20

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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.