Home / 10,369,903.20-15,554,854.80-8,205,064.80

Finding the Fourth Proportional to 10,369,903.20, 15,554,854.80 and 8,205,064.80

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Solution

The fourth proportional to 10,369,903.20, 15,554,854.80 and 8,205,064.80 is: 12,307,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,903.20 : 15,554,854.80 = 8,205,064.80 : x
  2. Step 2: Convert to fraction form
    10,369,903.20/15,554,854.80 = 8,205,064.80/x
  3. Step 3: Cross multiply
    10,369,903.20x = 15,554,854.80 × 8,205,064.80
  4. Step 4: Simplify right side
    10,369,903.20x = 127,628,591,588,591.05
  5. Step 5: Solve for x
    x = 127,628,591,588,591.05/10,369,903.20
  6. Step 6: Final answer
    x = 12,307,597.20

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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.