Home / 15,767,167.06-21,759,212.27-9,151,259.38

Finding the Fourth Proportional to 15,767,167.06, 21,759,212.27 and 9,151,259.38

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Solution

The fourth proportional to 15,767,167.06, 21,759,212.27 and 9,151,259.38 is: 12,629,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767,167.06 : 21,759,212.27 = 9,151,259.38 : x
  2. Step 2: Convert to fraction form
    15,767,167.06/21,759,212.27 = 9,151,259.38/x
  3. Step 3: Cross multiply
    15,767,167.06x = 21,759,212.27 × 9,151,259.38
  4. Step 4: Simplify right side
    15,767,167.06x = 199,124,195,387,248.59
  5. Step 5: Solve for x
    x = 199,124,195,387,248.59/15,767,167.06
  6. Step 6: Final answer
    x = 12,629,040.75

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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.