Home / 13,434,065.30-18,539,015.10-7,632,854.66

Finding the Fourth Proportional to 13,434,065.30, 18,539,015.10 and 7,632,854.66

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Solution

The fourth proportional to 13,434,065.30, 18,539,015.10 and 7,632,854.66 is: 10,533,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,065.30 : 18,539,015.10 = 7,632,854.66 : x
  2. Step 2: Convert to fraction form
    13,434,065.30/18,539,015.10 = 7,632,854.66/x
  3. Step 3: Cross multiply
    13,434,065.30x = 18,539,015.10 × 7,632,854.66
  4. Step 4: Simplify right side
    13,434,065.30x = 141,505,607,797,845.38
  5. Step 5: Solve for x
    x = 141,505,607,797,845.38/13,434,065.30
  6. Step 6: Final answer
    x = 10,533,342.26

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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.