Home / 10,368,083.20-15,552,124.80-7,344,774.40

Finding the Fourth Proportional to 10,368,083.20, 15,552,124.80 and 7,344,774.40

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Solution

The fourth proportional to 10,368,083.20, 15,552,124.80 and 7,344,774.40 is: 11,017,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,083.20 : 15,552,124.80 = 7,344,774.40 : x
  2. Step 2: Convert to fraction form
    10,368,083.20/15,552,124.80 = 7,344,774.40/x
  3. Step 3: Cross multiply
    10,368,083.20x = 15,552,124.80 × 7,344,774.40
  4. Step 4: Simplify right side
    10,368,083.20x = 114,226,848,096,645.12
  5. Step 5: Solve for x
    x = 114,226,848,096,645.12/10,368,083.20
  6. Step 6: Final answer
    x = 11,017,161.60

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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.