Home / 16,681,329.60-25,021,994.40-7,097,020.80

Finding the Fourth Proportional to 16,681,329.60, 25,021,994.40 and 7,097,020.80

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Solution

The fourth proportional to 16,681,329.60, 25,021,994.40 and 7,097,020.80 is: 10,645,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681,329.60 : 25,021,994.40 = 7,097,020.80 : x
  2. Step 2: Convert to fraction form
    16,681,329.60/25,021,994.40 = 7,097,020.80/x
  3. Step 3: Cross multiply
    16,681,329.60x = 25,021,994.40 × 7,097,020.80
  4. Step 4: Simplify right side
    16,681,329.60x = 177,581,614,714,283.50
  5. Step 5: Solve for x
    x = 177,581,614,714,283.50/16,681,329.60
  6. Step 6: Final answer
    x = 10,645,531.20

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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.