Home / 8,312,280.95-11,464,635.23-7,152,670.47

Finding the Fourth Proportional to 8,312,280.95, 11,464,635.23 and 7,152,670.47

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Solution

The fourth proportional to 8,312,280.95, 11,464,635.23 and 7,152,670.47 is: 9,865,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,280.95 : 11,464,635.23 = 7,152,670.47 : x
  2. Step 2: Convert to fraction form
    8,312,280.95/11,464,635.23 = 7,152,670.47/x
  3. Step 3: Cross multiply
    8,312,280.95x = 11,464,635.23 × 7,152,670.47
  4. Step 4: Simplify right side
    8,312,280.95x = 82,002,757,858,942.66
  5. Step 5: Solve for x
    x = 82,002,757,858,942.66/8,312,280.95
  6. Step 6: Final answer
    x = 9,865,253.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.