Home / 9,417,921.72-12,996,980.94-5,288,282.52

Finding the Fourth Proportional to 9,417,921.72, 12,996,980.94 and 5,288,282.52

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Solution

The fourth proportional to 9,417,921.72, 12,996,980.94 and 5,288,282.52 is: 7,297,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417,921.72 : 12,996,980.94 = 5,288,282.52 : x
  2. Step 2: Convert to fraction form
    9,417,921.72/12,996,980.94 = 5,288,282.52/x
  3. Step 3: Cross multiply
    9,417,921.72x = 12,996,980.94 × 5,288,282.52
  4. Step 4: Simplify right side
    9,417,921.72x = 68,731,707,117,775.16
  5. Step 5: Solve for x
    x = 68,731,707,117,775.16/9,417,921.72
  6. Step 6: Final answer
    x = 7,297,969.68

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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.