Home / 6,386,656-8,815,065.96-4,211,592.16

Finding the Fourth Proportional to 6,386,656, 8,815,065.96 and 4,211,592.16

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Solution

The fourth proportional to 6,386,656, 8,815,065.96 and 4,211,592.16 is: 5,812,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,656 : 8,815,065.96 = 4,211,592.16 : x
  2. Step 2: Convert to fraction form
    6,386,656/8,815,065.96 = 4,211,592.16/x
  3. Step 3: Cross multiply
    6,386,656x = 8,815,065.96 × 4,211,592.16
  4. Step 4: Simplify right side
    6,386,656x = 37,125,462,687,018.88
  5. Step 5: Solve for x
    x = 37,125,462,687,018.88/6,386,656
  6. Step 6: Final answer
    x = 5,812,973.59

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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.