Home / 20,357,720-28,093,711.92-11,656,026.08

Finding the Fourth Proportional to 20,357,720, 28,093,711.92 and 11,656,026.08

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Solution

The fourth proportional to 20,357,720, 28,093,711.92 and 11,656,026.08 is: 16,085,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,720 : 28,093,711.92 = 11,656,026.08 : x
  2. Step 2: Convert to fraction form
    20,357,720/28,093,711.92 = 11,656,026.08/x
  3. Step 3: Cross multiply
    20,357,720x = 28,093,711.92 × 11,656,026.08
  4. Step 4: Simplify right side
    20,357,720x = 327,461,038,823,526.88
  5. Step 5: Solve for x
    x = 327,461,038,823,526.88/20,357,720
  6. Step 6: Final answer
    x = 16,085,349.38

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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.