Home / 28,931,002.60-43,396,503.90-11,886,010.60

Finding the Fourth Proportional to 28,931,002.60, 43,396,503.90 and 11,886,010.60

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Solution

The fourth proportional to 28,931,002.60, 43,396,503.90 and 11,886,010.60 is: 17,829,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,002.60 : 43,396,503.90 = 11,886,010.60 : x
  2. Step 2: Convert to fraction form
    28,931,002.60/43,396,503.90 = 11,886,010.60/x
  3. Step 3: Cross multiply
    28,931,002.60x = 43,396,503.90 × 11,886,010.60
  4. Step 4: Simplify right side
    28,931,002.60x = 515,811,305,358,341.31
  5. Step 5: Solve for x
    x = 515,811,305,358,341.31/28,931,002.60
  6. Step 6: Final answer
    x = 17,829,015.90

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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.