Home / 12,953,161.16-17,875,427.46-7,151,954.12

Finding the Fourth Proportional to 12,953,161.16, 17,875,427.46 and 7,151,954.12

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Solution

The fourth proportional to 12,953,161.16, 17,875,427.46 and 7,151,954.12 is: 9,869,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,161.16 : 17,875,427.46 = 7,151,954.12 : x
  2. Step 2: Convert to fraction form
    12,953,161.16/17,875,427.46 = 7,151,954.12/x
  3. Step 3: Cross multiply
    12,953,161.16x = 17,875,427.46 × 7,151,954.12
  4. Step 4: Simplify right side
    12,953,161.16x = 127,844,237,069,308.14
  5. Step 5: Solve for x
    x = 127,844,237,069,308.14/12,953,161.16
  6. Step 6: Final answer
    x = 9,869,732.61

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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.