Home / 20,634,650.28-28,426,601.43-14,428,084.01

Finding the Fourth Proportional to 20,634,650.28, 28,426,601.43 and 14,428,084.01

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Solution

The fourth proportional to 20,634,650.28, 28,426,601.43 and 14,428,084.01 is: 19,876,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,650.28 : 28,426,601.43 = 14,428,084.01 : x
  2. Step 2: Convert to fraction form
    20,634,650.28/28,426,601.43 = 14,428,084.01/x
  3. Step 3: Cross multiply
    20,634,650.28x = 28,426,601.43 × 14,428,084.01
  4. Step 4: Simplify right side
    20,634,650.28x = 410,141,393,408,693.12
  5. Step 5: Solve for x
    x = 410,141,393,408,693.12/20,634,650.28
  6. Step 6: Final answer
    x = 19,876,343.33

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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.