Home / 8,685,514.40-13,028,271.60-3,888,111.20

Finding the Fourth Proportional to 8,685,514.40, 13,028,271.60 and 3,888,111.20

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Solution

The fourth proportional to 8,685,514.40, 13,028,271.60 and 3,888,111.20 is: 5,832,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,514.40 : 13,028,271.60 = 3,888,111.20 : x
  2. Step 2: Convert to fraction form
    8,685,514.40/13,028,271.60 = 3,888,111.20/x
  3. Step 3: Cross multiply
    8,685,514.40x = 13,028,271.60 × 3,888,111.20
  4. Step 4: Simplify right side
    8,685,514.40x = 50,655,368,724,601.92
  5. Step 5: Solve for x
    x = 50,655,368,724,601.92/8,685,514.40
  6. Step 6: Final answer
    x = 5,832,166.80

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Similar ratio
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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.