Home / 8,868,780.80-13,287,424.80-8,301,910.40

Finding the Fourth Proportional to 8,868,780.80, 13,287,424.80 and 8,301,910.40

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Solution

The fourth proportional to 8,868,780.80, 13,287,424.80 and 8,301,910.40 is: 12,438,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,780.80 : 13,287,424.80 = 8,301,910.40 : x
  2. Step 2: Convert to fraction form
    8,868,780.80/13,287,424.80 = 8,301,910.40/x
  3. Step 3: Cross multiply
    8,868,780.80x = 13,287,424.80 × 8,301,910.40
  4. Step 4: Simplify right side
    8,868,780.80x = 110,311,010,136,337.94
  5. Step 5: Solve for x
    x = 110,311,010,136,337.94/8,868,780.80
  6. Step 6: Final answer
    x = 12,438,125.67

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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.