Home / 21,313,006.22-31,955,764.01-8,360,465.64

Finding the Fourth Proportional to 21,313,006.22, 31,955,764.01 and 8,360,465.64

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Solution

The fourth proportional to 21,313,006.22, 31,955,764.01 and 8,360,465.64 is: 12,535,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313,006.22 : 31,955,764.01 = 8,360,465.64 : x
  2. Step 2: Convert to fraction form
    21,313,006.22/31,955,764.01 = 8,360,465.64/x
  3. Step 3: Cross multiply
    21,313,006.22x = 31,955,764.01 × 8,360,465.64
  4. Step 4: Simplify right side
    21,313,006.22x = 267,165,066,963,600.06
  5. Step 5: Solve for x
    x = 267,165,066,963,600.06/21,313,006.22
  6. Step 6: Final answer
    x = 12,535,306.57

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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.