Home / 20,510,484.28-28,301,323.44-11,806,974.70

Finding the Fourth Proportional to 20,510,484.28, 28,301,323.44 and 11,806,974.70

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Solution

The fourth proportional to 20,510,484.28, 28,301,323.44 and 11,806,974.70 is: 16,291,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,484.28 : 28,301,323.44 = 11,806,974.70 : x
  2. Step 2: Convert to fraction form
    20,510,484.28/28,301,323.44 = 11,806,974.70/x
  3. Step 3: Cross multiply
    20,510,484.28x = 28,301,323.44 × 11,806,974.70
  4. Step 4: Simplify right side
    20,510,484.28x = 334,153,009,739,705.56
  5. Step 5: Solve for x
    x = 334,153,009,739,705.56/20,510,484.28
  6. Step 6: Final answer
    x = 16,291,814.72

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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.