Home / 19,702,422-27,189,084.84-11,000,742.72

Finding the Fourth Proportional to 19,702,422, 27,189,084.84 and 11,000,742.72

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Solution

The fourth proportional to 19,702,422, 27,189,084.84 and 11,000,742.72 is: 15,180,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702,422 : 27,189,084.84 = 11,000,742.72 : x
  2. Step 2: Convert to fraction form
    19,702,422/27,189,084.84 = 11,000,742.72/x
  3. Step 3: Cross multiply
    19,702,422x = 27,189,084.84 × 11,000,742.72
  4. Step 4: Simplify right side
    19,702,422x = 299,100,127,117,092.38
  5. Step 5: Solve for x
    x = 299,100,127,117,092.38/19,702,422
  6. Step 6: Final answer
    x = 15,180,881.17

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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.