Home / 8,038,661.20-12,043,951.20-6,699,430

Finding the Fourth Proportional to 8,038,661.20, 12,043,951.20 and 6,699,430

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Solution

The fourth proportional to 8,038,661.20, 12,043,951.20 and 6,699,430 is: 10,037,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,661.20 : 12,043,951.20 = 6,699,430 : x
  2. Step 2: Convert to fraction form
    8,038,661.20/12,043,951.20 = 6,699,430/x
  3. Step 3: Cross multiply
    8,038,661.20x = 12,043,951.20 × 6,699,430
  4. Step 4: Simplify right side
    8,038,661.20x = 80,687,607,987,816
  5. Step 5: Solve for x
    x = 80,687,607,987,816/8,038,661.20
  6. Step 6: Final answer
    x = 10,037,443.55

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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.