Home / 10,230,054.90-15,382,407.15-8,587,763.70

Finding the Fourth Proportional to 10,230,054.90, 15,382,407.15 and 8,587,763.70

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Solution

The fourth proportional to 10,230,054.90, 15,382,407.15 and 8,587,763.70 is: 12,912,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230,054.90 : 15,382,407.15 = 8,587,763.70 : x
  2. Step 2: Convert to fraction form
    10,230,054.90/15,382,407.15 = 8,587,763.70/x
  3. Step 3: Cross multiply
    10,230,054.90x = 15,382,407.15 × 8,587,763.70
  4. Step 4: Simplify right side
    10,230,054.90x = 132,100,477,741,390.45
  5. Step 5: Solve for x
    x = 132,100,477,741,390.45/10,230,054.90
  6. Step 6: Final answer
    x = 12,912,978.38

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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.