Home / 20,896,332.52-28,835,357.70-11,727,203.88

Finding the Fourth Proportional to 20,896,332.52, 28,835,357.70 and 11,727,203.88

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Solution

The fourth proportional to 20,896,332.52, 28,835,357.70 and 11,727,203.88 is: 16,182,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,332.52 : 28,835,357.70 = 11,727,203.88 : x
  2. Step 2: Convert to fraction form
    20,896,332.52/28,835,357.70 = 11,727,203.88/x
  3. Step 3: Cross multiply
    20,896,332.52x = 28,835,357.70 × 11,727,203.88
  4. Step 4: Simplify right side
    20,896,332.52x = 338,158,118,700,627.88
  5. Step 5: Solve for x
    x = 338,158,118,700,627.88/20,896,332.52
  6. Step 6: Final answer
    x = 16,182,653.98

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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.