Home / 7,830,728.08-10,806,478.48-4,393,042.90

Finding the Fourth Proportional to 7,830,728.08, 10,806,478.48 and 4,393,042.90

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Solution

The fourth proportional to 7,830,728.08, 10,806,478.48 and 4,393,042.90 is: 6,062,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,728.08 : 10,806,478.48 = 4,393,042.90 : x
  2. Step 2: Convert to fraction form
    7,830,728.08/10,806,478.48 = 4,393,042.90/x
  3. Step 3: Cross multiply
    7,830,728.08x = 10,806,478.48 × 4,393,042.90
  4. Step 4: Simplify right side
    7,830,728.08x = 47,473,323,560,566.80
  5. Step 5: Solve for x
    x = 47,473,323,560,566.80/7,830,728.08
  6. Step 6: Final answer
    x = 6,062,440.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.