Home / 9,730,278.90-13,427,207.82-5,379,105.69

Finding the Fourth Proportional to 9,730,278.90, 13,427,207.82 and 5,379,105.69

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Solution

The fourth proportional to 9,730,278.90, 13,427,207.82 and 5,379,105.69 is: 7,422,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,278.90 : 13,427,207.82 = 5,379,105.69 : x
  2. Step 2: Convert to fraction form
    9,730,278.90/13,427,207.82 = 5,379,105.69/x
  3. Step 3: Cross multiply
    9,730,278.90x = 13,427,207.82 × 5,379,105.69
  4. Step 4: Simplify right side
    9,730,278.90x = 72,226,369,985,374.50
  5. Step 5: Solve for x
    x = 72,226,369,985,374.50/9,730,278.90
  6. Step 6: Final answer
    x = 7,422,846.84

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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.