Home / 17,637,637.20-26,456,455.80-12,561,464.40

Finding the Fourth Proportional to 17,637,637.20, 26,456,455.80 and 12,561,464.40

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Solution

The fourth proportional to 17,637,637.20, 26,456,455.80 and 12,561,464.40 is: 18,842,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,637,637.20 : 26,456,455.80 = 12,561,464.40 : x
  2. Step 2: Convert to fraction form
    17,637,637.20/26,456,455.80 = 12,561,464.40/x
  3. Step 3: Cross multiply
    17,637,637.20x = 26,456,455.80 × 12,561,464.40
  4. Step 4: Simplify right side
    17,637,637.20x = 332,331,827,681,873.56
  5. Step 5: Solve for x
    x = 332,331,827,681,873.56/17,637,637.20
  6. Step 6: Final answer
    x = 18,842,196.60

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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.