Home / 20,239,473.30-27,931,133.27-11,072,116.05

Finding the Fourth Proportional to 20,239,473.30, 27,931,133.27 and 11,072,116.05

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Solution

The fourth proportional to 20,239,473.30, 27,931,133.27 and 11,072,116.05 is: 15,279,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239,473.30 : 27,931,133.27 = 11,072,116.05 : x
  2. Step 2: Convert to fraction form
    20,239,473.30/27,931,133.27 = 11,072,116.05/x
  3. Step 3: Cross multiply
    20,239,473.30x = 27,931,133.27 × 11,072,116.05
  4. Step 4: Simplify right side
    20,239,473.30x = 309,256,748,973,456
  5. Step 5: Solve for x
    x = 309,256,748,973,456/20,239,473.30
  6. Step 6: Final answer
    x = 15,279,881.27

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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.