Home / 7,309,172.50-10,087,559.47-4,170,208.92

Finding the Fourth Proportional to 7,309,172.50, 10,087,559.47 and 4,170,208.92

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Solution

The fourth proportional to 7,309,172.50, 10,087,559.47 and 4,170,208.92 is: 5,755,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309,172.50 : 10,087,559.47 = 4,170,208.92 : x
  2. Step 2: Convert to fraction form
    7,309,172.50/10,087,559.47 = 4,170,208.92/x
  3. Step 3: Cross multiply
    7,309,172.50x = 10,087,559.47 × 4,170,208.92
  4. Step 4: Simplify right side
    7,309,172.50x = 42,067,230,426,751.45
  5. Step 5: Solve for x
    x = 42,067,230,426,751.45/7,309,172.50
  6. Step 6: Final answer
    x = 5,755,402.60

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1.5x scale

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.