Home / 8,971,171.20-12,379,780.80-4,896,547.20

Finding the Fourth Proportional to 8,971,171.20, 12,379,780.80 and 4,896,547.20

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Solution

The fourth proportional to 8,971,171.20, 12,379,780.80 and 4,896,547.20 is: 6,756,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971,171.20 : 12,379,780.80 = 4,896,547.20 : x
  2. Step 2: Convert to fraction form
    8,971,171.20/12,379,780.80 = 4,896,547.20/x
  3. Step 3: Cross multiply
    8,971,171.20x = 12,379,780.80 × 4,896,547.20
  4. Step 4: Simplify right side
    8,971,171.20x = 60,618,181,012,853.77
  5. Step 5: Solve for x
    x = 60,618,181,012,853.77/8,971,171.20
  6. Step 6: Final answer
    x = 6,756,997.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.