Home / 19,711,215.63-27,202,026.08-10,891,235.25

Finding the Fourth Proportional to 19,711,215.63, 27,202,026.08 and 10,891,235.25

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Solution

The fourth proportional to 19,711,215.63, 27,202,026.08 and 10,891,235.25 is: 15,030,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711,215.63 : 27,202,026.08 = 10,891,235.25 : x
  2. Step 2: Convert to fraction form
    19,711,215.63/27,202,026.08 = 10,891,235.25/x
  3. Step 3: Cross multiply
    19,711,215.63x = 27,202,026.08 × 10,891,235.25
  4. Step 4: Simplify right side
    19,711,215.63x = 296,263,665,341,143.38
  5. Step 5: Solve for x
    x = 296,263,665,341,143.38/19,711,215.63
  6. Step 6: Final answer
    x = 15,030,207.72

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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.