Home / 12,969,178.10-17,897,598.51-7,088,980.13

Finding the Fourth Proportional to 12,969,178.10, 17,897,598.51 and 7,088,980.13

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Solution

The fourth proportional to 12,969,178.10, 17,897,598.51 and 7,088,980.13 is: 9,782,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,178.10 : 17,897,598.51 = 7,088,980.13 : x
  2. Step 2: Convert to fraction form
    12,969,178.10/17,897,598.51 = 7,088,980.13/x
  3. Step 3: Cross multiply
    12,969,178.10x = 17,897,598.51 × 7,088,980.13
  4. Step 4: Simplify right side
    12,969,178.10x = 126,875,720,212,107.61
  5. Step 5: Solve for x
    x = 126,875,720,212,107.61/12,969,178.10
  6. Step 6: Final answer
    x = 9,782,865.13

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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.