Home / 8,512,945.71-11,748,113.18-4,645,715.97

Finding the Fourth Proportional to 8,512,945.71, 11,748,113.18 and 4,645,715.97

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Solution

The fourth proportional to 8,512,945.71, 11,748,113.18 and 4,645,715.97 is: 6,411,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,945.71 : 11,748,113.18 = 4,645,715.97 : x
  2. Step 2: Convert to fraction form
    8,512,945.71/11,748,113.18 = 4,645,715.97/x
  3. Step 3: Cross multiply
    8,512,945.71x = 11,748,113.18 × 4,645,715.97
  4. Step 4: Simplify right side
    8,512,945.71x = 54,578,396,967,830.91
  5. Step 5: Solve for x
    x = 54,578,396,967,830.91/8,512,945.71
  6. Step 6: Final answer
    x = 6,411,223.43

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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.