Home / 12,069,042.40-18,103,563.60-10,746,344.80

Finding the Fourth Proportional to 12,069,042.40, 18,103,563.60 and 10,746,344.80

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Solution

The fourth proportional to 12,069,042.40, 18,103,563.60 and 10,746,344.80 is: 16,119,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,042.40 : 18,103,563.60 = 10,746,344.80 : x
  2. Step 2: Convert to fraction form
    12,069,042.40/18,103,563.60 = 10,746,344.80/x
  3. Step 3: Cross multiply
    12,069,042.40x = 18,103,563.60 × 10,746,344.80
  4. Step 4: Simplify right side
    12,069,042.40x = 194,547,136,554,329.31
  5. Step 5: Solve for x
    x = 194,547,136,554,329.31/12,069,042.40
  6. Step 6: Final answer
    x = 16,119,517.20

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Similar ratio
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1.5x scale

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.