Home / 12,627,056.16-17,427,044.16-7,121,561.76

Finding the Fourth Proportional to 12,627,056.16, 17,427,044.16 and 7,121,561.76

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Solution

The fourth proportional to 12,627,056.16, 17,427,044.16 and 7,121,561.76 is: 9,828,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,056.16 : 17,427,044.16 = 7,121,561.76 : x
  2. Step 2: Convert to fraction form
    12,627,056.16/17,427,044.16 = 7,121,561.76/x
  3. Step 3: Cross multiply
    12,627,056.16x = 17,427,044.16 × 7,121,561.76
  4. Step 4: Simplify right side
    12,627,056.16x = 124,107,771,279,687.31
  5. Step 5: Solve for x
    x = 124,107,771,279,687.31/12,627,056.16
  6. Step 6: Final answer
    x = 9,828,717.77

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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.