Home / 8,525,544.20-12,788,316.30-5,158,017.80

Finding the Fourth Proportional to 8,525,544.20, 12,788,316.30 and 5,158,017.80

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Solution

The fourth proportional to 8,525,544.20, 12,788,316.30 and 5,158,017.80 is: 7,737,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,544.20 : 12,788,316.30 = 5,158,017.80 : x
  2. Step 2: Convert to fraction form
    8,525,544.20/12,788,316.30 = 5,158,017.80/x
  3. Step 3: Cross multiply
    8,525,544.20x = 12,788,316.30 × 5,158,017.80
  4. Step 4: Simplify right side
    8,525,544.20x = 65,962,363,107,430.14
  5. Step 5: Solve for x
    x = 65,962,363,107,430.14/8,525,544.20
  6. Step 6: Final answer
    x = 7,737,026.70

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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.