Home / 20,632,729.34-28,473,462.40-11,341,159.61

Finding the Fourth Proportional to 20,632,729.34, 28,473,462.40 and 11,341,159.61

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Solution

The fourth proportional to 20,632,729.34, 28,473,462.40 and 11,341,159.61 is: 15,650,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,632,729.34 : 28,473,462.40 = 11,341,159.61 : x
  2. Step 2: Convert to fraction form
    20,632,729.34/28,473,462.40 = 11,341,159.61/x
  3. Step 3: Cross multiply
    20,632,729.34x = 28,473,462.40 × 11,341,159.61
  4. Step 4: Simplify right side
    20,632,729.34x = 322,922,081,557,013.50
  5. Step 5: Solve for x
    x = 322,922,081,557,013.50/20,632,729.34
  6. Step 6: Final answer
    x = 15,650,962.90

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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.