Home / 8,201,329.60-12,301,994.40-7,604,132.80

Finding the Fourth Proportional to 8,201,329.60, 12,301,994.40 and 7,604,132.80

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Solution

The fourth proportional to 8,201,329.60, 12,301,994.40 and 7,604,132.80 is: 11,406,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,329.60 : 12,301,994.40 = 7,604,132.80 : x
  2. Step 2: Convert to fraction form
    8,201,329.60/12,301,994.40 = 7,604,132.80/x
  3. Step 3: Cross multiply
    8,201,329.60x = 12,301,994.40 × 7,604,132.80
  4. Step 4: Simplify right side
    8,201,329.60x = 93,545,999,122,456.33
  5. Step 5: Solve for x
    x = 93,545,999,122,456.33/8,201,329.60
  6. Step 6: Final answer
    x = 11,406,199.20

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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.