Home / 6,866,430.80-10,299,646.20-1,818,251.60

Finding the Fourth Proportional to 6,866,430.80, 10,299,646.20 and 1,818,251.60

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Solution

The fourth proportional to 6,866,430.80, 10,299,646.20 and 1,818,251.60 is: 2,727,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,430.80 : 10,299,646.20 = 1,818,251.60 : x
  2. Step 2: Convert to fraction form
    6,866,430.80/10,299,646.20 = 1,818,251.60/x
  3. Step 3: Cross multiply
    6,866,430.80x = 10,299,646.20 × 1,818,251.60
  4. Step 4: Simplify right side
    6,866,430.80x = 18,727,348,182,583.92
  5. Step 5: Solve for x
    x = 18,727,348,182,583.92/6,866,430.80
  6. Step 6: Final answer
    x = 2,727,377.40

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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.