Home / 7,715,276.76-11,575,162.29-3,454,448.55

Finding the Fourth Proportional to 7,715,276.76, 11,575,162.29 and 3,454,448.55

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Solution

The fourth proportional to 7,715,276.76, 11,575,162.29 and 3,454,448.55 is: 5,182,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,276.76 : 11,575,162.29 = 3,454,448.55 : x
  2. Step 2: Convert to fraction form
    7,715,276.76/11,575,162.29 = 3,454,448.55/x
  3. Step 3: Cross multiply
    7,715,276.76x = 11,575,162.29 × 3,454,448.55
  4. Step 4: Simplify right side
    7,715,276.76x = 39,985,802,588,705.17
  5. Step 5: Solve for x
    x = 39,985,802,588,705.17/7,715,276.76
  6. Step 6: Final answer
    x = 5,182,678.97

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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.