Home / 7,118,093.20-10,677,139.80-1,799,309.20

Finding the Fourth Proportional to 7,118,093.20, 10,677,139.80 and 1,799,309.20

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Solution

The fourth proportional to 7,118,093.20, 10,677,139.80 and 1,799,309.20 is: 2,698,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,093.20 : 10,677,139.80 = 1,799,309.20 : x
  2. Step 2: Convert to fraction form
    7,118,093.20/10,677,139.80 = 1,799,309.20/x
  3. Step 3: Cross multiply
    7,118,093.20x = 10,677,139.80 × 1,799,309.20
  4. Step 4: Simplify right side
    7,118,093.20x = 19,211,475,871,826.16
  5. Step 5: Solve for x
    x = 19,211,475,871,826.16/7,118,093.20
  6. Step 6: Final answer
    x = 2,698,963.80

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Similar ratio
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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.