Home / 11,386,086.60-17,079,129.90-10,287,775.20

Finding the Fourth Proportional to 11,386,086.60, 17,079,129.90 and 10,287,775.20

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Solution

The fourth proportional to 11,386,086.60, 17,079,129.90 and 10,287,775.20 is: 15,431,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386,086.60 : 17,079,129.90 = 10,287,775.20 : x
  2. Step 2: Convert to fraction form
    11,386,086.60/17,079,129.90 = 10,287,775.20/x
  3. Step 3: Cross multiply
    11,386,086.60x = 17,079,129.90 × 10,287,775.20
  4. Step 4: Simplify right side
    11,386,086.60x = 175,706,249,022,798.44
  5. Step 5: Solve for x
    x = 175,706,249,022,798.44/11,386,086.60
  6. Step 6: Final answer
    x = 15,431,662.80

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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.