Home / 10,161,156.72-15,302,561.68-9,254,164.08

Finding the Fourth Proportional to 10,161,156.72, 15,302,561.68 and 9,254,164.08

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Solution

The fourth proportional to 10,161,156.72, 15,302,561.68 and 9,254,164.08 is: 13,936,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161,156.72 : 15,302,561.68 = 9,254,164.08 : x
  2. Step 2: Convert to fraction form
    10,161,156.72/15,302,561.68 = 9,254,164.08/x
  3. Step 3: Cross multiply
    10,161,156.72x = 15,302,561.68 × 9,254,164.08
  4. Step 4: Simplify right side
    10,161,156.72x = 141,612,416,631,040.44
  5. Step 5: Solve for x
    x = 141,612,416,631,040.44/10,161,156.72
  6. Step 6: Final answer
    x = 13,936,643.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.