Home / 11,780,547.60-17,670,821.40-6,657,718.80

Finding the Fourth Proportional to 11,780,547.60, 17,670,821.40 and 6,657,718.80

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Solution

The fourth proportional to 11,780,547.60, 17,670,821.40 and 6,657,718.80 is: 9,986,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,547.60 : 17,670,821.40 = 6,657,718.80 : x
  2. Step 2: Convert to fraction form
    11,780,547.60/17,670,821.40 = 6,657,718.80/x
  3. Step 3: Cross multiply
    11,780,547.60x = 17,670,821.40 × 6,657,718.80
  4. Step 4: Simplify right side
    11,780,547.60x = 117,647,359,846,222.31
  5. Step 5: Solve for x
    x = 117,647,359,846,222.31/11,780,547.60
  6. Step 6: Final answer
    x = 9,986,578.20

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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.