Home / 13,870,774.22-20,814,380.90-7,727,897.52

Finding the Fourth Proportional to 13,870,774.22, 20,814,380.90 and 7,727,897.52

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Solution

The fourth proportional to 13,870,774.22, 20,814,380.90 and 7,727,897.52 is: 11,596,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,774.22 : 20,814,380.90 = 7,727,897.52 : x
  2. Step 2: Convert to fraction form
    13,870,774.22/20,814,380.90 = 7,727,897.52/x
  3. Step 3: Cross multiply
    13,870,774.22x = 20,814,380.90 × 7,727,897.52
  4. Step 4: Simplify right side
    13,870,774.22x = 160,851,402,537,445.34
  5. Step 5: Solve for x
    x = 160,851,402,537,445.34/13,870,774.22
  6. Step 6: Final answer
    x = 11,596,425.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.