Home / 7,815,552.03-11,708,067.65-5,386,271.31

Finding the Fourth Proportional to 7,815,552.03, 11,708,067.65 and 5,386,271.31

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Solution

The fourth proportional to 7,815,552.03, 11,708,067.65 and 5,386,271.31 is: 8,068,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,552.03 : 11,708,067.65 = 5,386,271.31 : x
  2. Step 2: Convert to fraction form
    7,815,552.03/11,708,067.65 = 5,386,271.31/x
  3. Step 3: Cross multiply
    7,815,552.03x = 11,708,067.65 × 5,386,271.31
  4. Step 4: Simplify right side
    7,815,552.03x = 63,062,828,851,802.76
  5. Step 5: Solve for x
    x = 63,062,828,851,802.76/7,815,552.03
  6. Step 6: Final answer
    x = 8,068,889.90

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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.