Home / 7,312,866.80-10,969,300.20-5,187,102.80

Finding the Fourth Proportional to 7,312,866.80, 10,969,300.20 and 5,187,102.80

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Solution

The fourth proportional to 7,312,866.80, 10,969,300.20 and 5,187,102.80 is: 7,780,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312,866.80 : 10,969,300.20 = 5,187,102.80 : x
  2. Step 2: Convert to fraction form
    7,312,866.80/10,969,300.20 = 5,187,102.80/x
  3. Step 3: Cross multiply
    7,312,866.80x = 10,969,300.20 × 5,187,102.80
  4. Step 4: Simplify right side
    7,312,866.80x = 56,898,887,781,460.55
  5. Step 5: Solve for x
    x = 56,898,887,781,460.55/7,312,866.80
  6. Step 6: Final answer
    x = 7,780,654.20

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1.5x scale

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.