Home / 8,532,001.20-12,798,001.80-5,508,692.40

Finding the Fourth Proportional to 8,532,001.20, 12,798,001.80 and 5,508,692.40

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Solution

The fourth proportional to 8,532,001.20, 12,798,001.80 and 5,508,692.40 is: 8,263,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,001.20 : 12,798,001.80 = 5,508,692.40 : x
  2. Step 2: Convert to fraction form
    8,532,001.20/12,798,001.80 = 5,508,692.40/x
  3. Step 3: Cross multiply
    8,532,001.20x = 12,798,001.80 × 5,508,692.40
  4. Step 4: Simplify right side
    8,532,001.20x = 70,500,255,250,846.33
  5. Step 5: Solve for x
    x = 70,500,255,250,846.33/8,532,001.20
  6. Step 6: Final answer
    x = 8,263,038.60

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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.