Home / 20,896,247.40-28,835,240.40-11,727,118.68

Finding the Fourth Proportional to 20,896,247.40, 28,835,240.40 and 11,727,118.68

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Solution

The fourth proportional to 20,896,247.40, 28,835,240.40 and 11,727,118.68 is: 16,182,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,247.40 : 28,835,240.40 = 11,727,118.68 : x
  2. Step 2: Convert to fraction form
    20,896,247.40/28,835,240.40 = 11,727,118.68/x
  3. Step 3: Cross multiply
    20,896,247.40x = 28,835,240.40 × 11,727,118.68
  4. Step 4: Simplify right side
    20,896,247.40x = 338,154,286,337,130.62
  5. Step 5: Solve for x
    x = 338,154,286,337,130.62/20,896,247.40
  6. Step 6: Final answer
    x = 16,182,536.50

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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.