Home / 20,402,014-28,154,779.32-11,234,634.88

Finding the Fourth Proportional to 20,402,014, 28,154,779.32 and 11,234,634.88

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Solution

The fourth proportional to 20,402,014, 28,154,779.32 and 11,234,634.88 is: 15,503,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,014 : 28,154,779.32 = 11,234,634.88 : x
  2. Step 2: Convert to fraction form
    20,402,014/28,154,779.32 = 11,234,634.88/x
  3. Step 3: Cross multiply
    20,402,014x = 28,154,779.32 × 11,234,634.88
  4. Step 4: Simplify right side
    20,402,014x = 316,308,665,787,174.69
  5. Step 5: Solve for x
    x = 316,308,665,787,174.69/20,402,014
  6. Step 6: Final answer
    x = 15,503,796.13

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1.5x scale

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.