Home / 35,458,531.20-53,187,796.80-12,740,169.60

Finding the Fourth Proportional to 35,458,531.20, 53,187,796.80 and 12,740,169.60

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Solution

The fourth proportional to 35,458,531.20, 53,187,796.80 and 12,740,169.60 is: 19,110,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458,531.20 : 53,187,796.80 = 12,740,169.60 : x
  2. Step 2: Convert to fraction form
    35,458,531.20/53,187,796.80 = 12,740,169.60/x
  3. Step 3: Cross multiply
    35,458,531.20x = 53,187,796.80 × 12,740,169.60
  4. Step 4: Simplify right side
    35,458,531.20x = 677,621,551,882,337.25
  5. Step 5: Solve for x
    x = 677,621,551,882,337.25/35,458,531.20
  6. Step 6: Final answer
    x = 19,110,254.40

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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.