Home / 22,143,434.60-33,215,151.90-20,797,117.40

Finding the Fourth Proportional to 22,143,434.60, 33,215,151.90 and 20,797,117.40

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Solution

The fourth proportional to 22,143,434.60, 33,215,151.90 and 20,797,117.40 is: 31,195,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,434.60 : 33,215,151.90 = 20,797,117.40 : x
  2. Step 2: Convert to fraction form
    22,143,434.60/33,215,151.90 = 20,797,117.40/x
  3. Step 3: Cross multiply
    22,143,434.60x = 33,215,151.90 × 20,797,117.40
  4. Step 4: Simplify right side
    22,143,434.60x = 690,779,413,523,133
  5. Step 5: Solve for x
    x = 690,779,413,523,133/22,143,434.60
  6. Step 6: Final answer
    x = 31,195,676.10

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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.