Home / 20,670,254.28-28,524,950.88-11,502,904.32

Finding the Fourth Proportional to 20,670,254.28, 28,524,950.88 and 11,502,904.32

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Solution

The fourth proportional to 20,670,254.28, 28,524,950.88 and 11,502,904.32 is: 15,874,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670,254.28 : 28,524,950.88 = 11,502,904.32 : x
  2. Step 2: Convert to fraction form
    20,670,254.28/28,524,950.88 = 11,502,904.32/x
  3. Step 3: Cross multiply
    20,670,254.28x = 28,524,950.88 × 11,502,904.32
  4. Step 4: Simplify right side
    20,670,254.28x = 328,119,780,705,339.81
  5. Step 5: Solve for x
    x = 328,119,780,705,339.81/20,670,254.28
  6. Step 6: Final answer
    x = 15,874,007.95

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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.