Home / 22,778,077.68-31,433,748.12-12,464,801.28

Finding the Fourth Proportional to 22,778,077.68, 31,433,748.12 and 12,464,801.28

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Solution

The fourth proportional to 22,778,077.68, 31,433,748.12 and 12,464,801.28 is: 17,201,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778,077.68 : 31,433,748.12 = 12,464,801.28 : x
  2. Step 2: Convert to fraction form
    22,778,077.68/31,433,748.12 = 12,464,801.28/x
  3. Step 3: Cross multiply
    22,778,077.68x = 31,433,748.12 × 12,464,801.28
  4. Step 4: Simplify right side
    22,778,077.68x = 391,815,423,801,373.56
  5. Step 5: Solve for x
    x = 391,815,423,801,373.56/22,778,077.68
  6. Step 6: Final answer
    x = 17,201,426.27

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1.5x scale

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.