Home / 8,365,102.80-12,556,985.40-7,816,894.80

Finding the Fourth Proportional to 8,365,102.80, 12,556,985.40 and 7,816,894.80

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Solution

The fourth proportional to 8,365,102.80, 12,556,985.40 and 7,816,894.80 is: 11,734,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,102.80 : 12,556,985.40 = 7,816,894.80 : x
  2. Step 2: Convert to fraction form
    8,365,102.80/12,556,985.40 = 7,816,894.80/x
  3. Step 3: Cross multiply
    8,365,102.80x = 12,556,985.40 × 7,816,894.80
  4. Step 4: Simplify right side
    8,365,102.80x = 98,156,633,876,935.92
  5. Step 5: Solve for x
    x = 98,156,633,876,935.92/8,365,102.80
  6. Step 6: Final answer
    x = 11,734,061.88

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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.