Home / 10,866,616.80-16,299,925.20-7,087,480.80

Finding the Fourth Proportional to 10,866,616.80, 16,299,925.20 and 7,087,480.80

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Solution

The fourth proportional to 10,866,616.80, 16,299,925.20 and 7,087,480.80 is: 10,631,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,616.80 : 16,299,925.20 = 7,087,480.80 : x
  2. Step 2: Convert to fraction form
    10,866,616.80/16,299,925.20 = 7,087,480.80/x
  3. Step 3: Cross multiply
    10,866,616.80x = 16,299,925.20 × 7,087,480.80
  4. Step 4: Simplify right side
    10,866,616.80x = 115,525,406,896,436.16
  5. Step 5: Solve for x
    x = 115,525,406,896,436.16/10,866,616.80
  6. Step 6: Final answer
    x = 10,631,221.20

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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.