Home / 8,196,996.80-12,303,368.40-4,158,045.20

Finding the Fourth Proportional to 8,196,996.80, 12,303,368.40 and 4,158,045.20

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Solution

The fourth proportional to 8,196,996.80, 12,303,368.40 and 4,158,045.20 is: 6,241,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,996.80 : 12,303,368.40 = 4,158,045.20 : x
  2. Step 2: Convert to fraction form
    8,196,996.80/12,303,368.40 = 4,158,045.20/x
  3. Step 3: Cross multiply
    8,196,996.80x = 12,303,368.40 × 4,158,045.20
  4. Step 4: Simplify right side
    8,196,996.80x = 51,157,961,919,451.69
  5. Step 5: Solve for x
    x = 51,157,961,919,451.69/8,196,996.80
  6. Step 6: Final answer
    x = 6,241,061.59

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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.