Home / 22,091,009.78-30,459,508.17-15,125,065.22

Finding the Fourth Proportional to 22,091,009.78, 30,459,508.17 and 15,125,065.22

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Solution

The fourth proportional to 22,091,009.78, 30,459,508.17 and 15,125,065.22 is: 20,854,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091,009.78 : 30,459,508.17 = 15,125,065.22 : x
  2. Step 2: Convert to fraction form
    22,091,009.78/30,459,508.17 = 15,125,065.22/x
  3. Step 3: Cross multiply
    22,091,009.78x = 30,459,508.17 × 15,125,065.22
  4. Step 4: Simplify right side
    22,091,009.78x = 460,702,047,640,372.88
  5. Step 5: Solve for x
    x = 460,702,047,640,372.88/22,091,009.78
  6. Step 6: Final answer
    x = 20,854,730.15

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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.