Home / 8,107,466.40-12,161,199.60-3,312,007.20

Finding the Fourth Proportional to 8,107,466.40, 12,161,199.60 and 3,312,007.20

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Solution

The fourth proportional to 8,107,466.40, 12,161,199.60 and 3,312,007.20 is: 4,968,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107,466.40 : 12,161,199.60 = 3,312,007.20 : x
  2. Step 2: Convert to fraction form
    8,107,466.40/12,161,199.60 = 3,312,007.20/x
  3. Step 3: Cross multiply
    8,107,466.40x = 12,161,199.60 × 3,312,007.20
  4. Step 4: Simplify right side
    8,107,466.40x = 40,277,980,635,837.12
  5. Step 5: Solve for x
    x = 40,277,980,635,837.12/8,107,466.40
  6. Step 6: Final answer
    x = 4,968,010.80

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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.