Home / 20,590,221.33-28,402,700.00-12,841,811.55

Finding the Fourth Proportional to 20,590,221.33, 28,402,700.00 and 12,841,811.55

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Solution

The fourth proportional to 20,590,221.33, 28,402,700.00 and 12,841,811.55 is: 17,714,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,221.33 : 28,402,700.00 = 12,841,811.55 : x
  2. Step 2: Convert to fraction form
    20,590,221.33/28,402,700.00 = 12,841,811.55/x
  3. Step 3: Cross multiply
    20,590,221.33x = 28,402,700.00 × 12,841,811.55
  4. Step 4: Simplify right side
    20,590,221.33x = 364,742,120,801,276.06
  5. Step 5: Solve for x
    x = 364,742,120,801,276.06/20,590,221.33
  6. Step 6: Final answer
    x = 17,714,337.07

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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.