Home / 18,178,850.85-25,095,905.01-11,305,547.25

Finding the Fourth Proportional to 18,178,850.85, 25,095,905.01 and 11,305,547.25

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Solution

The fourth proportional to 18,178,850.85, 25,095,905.01 and 11,305,547.25 is: 15,607,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,850.85 : 25,095,905.01 = 11,305,547.25 : x
  2. Step 2: Convert to fraction form
    18,178,850.85/25,095,905.01 = 11,305,547.25/x
  3. Step 3: Cross multiply
    18,178,850.85x = 25,095,905.01 × 11,305,547.25
  4. Step 4: Simplify right side
    18,178,850.85x = 283,722,939,872,066.75
  5. Step 5: Solve for x
    x = 283,722,939,872,066.75/18,178,850.85
  6. Step 6: Final answer
    x = 15,607,308.86

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1.5x scale

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.