Home / 9,179,467.90-13,771,275.45-5,391,000.70

Finding the Fourth Proportional to 9,179,467.90, 13,771,275.45 and 5,391,000.70

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Solution

The fourth proportional to 9,179,467.90, 13,771,275.45 and 5,391,000.70 is: 8,087,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,467.90 : 13,771,275.45 = 5,391,000.70 : x
  2. Step 2: Convert to fraction form
    9,179,467.90/13,771,275.45 = 5,391,000.70/x
  3. Step 3: Cross multiply
    9,179,467.90x = 13,771,275.45 × 5,391,000.70
  4. Step 4: Simplify right side
    9,179,467.90x = 74,240,955,590,842.81
  5. Step 5: Solve for x
    x = 74,240,955,590,842.81/9,179,467.90
  6. Step 6: Final answer
    x = 8,087,718.85

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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.