Home / 8,221,141.88-12,307,143.54-4,972,849.10

Finding the Fourth Proportional to 8,221,141.88, 12,307,143.54 and 4,972,849.10

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Solution

The fourth proportional to 8,221,141.88, 12,307,143.54 and 4,972,849.10 is: 7,444,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,141.88 : 12,307,143.54 = 4,972,849.10 : x
  2. Step 2: Convert to fraction form
    8,221,141.88/12,307,143.54 = 4,972,849.10/x
  3. Step 3: Cross multiply
    8,221,141.88x = 12,307,143.54 × 4,972,849.10
  4. Step 4: Simplify right side
    8,221,141.88x = 61,201,567,679,724.06
  5. Step 5: Solve for x
    x = 61,201,567,679,724.06/8,221,141.88
  6. Step 6: Final answer
    x = 7,444,412.05

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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.