Home / 16,875,679.36-23,288,438.34-9,140,721.70

Finding the Fourth Proportional to 16,875,679.36, 23,288,438.34 and 9,140,721.70

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Solution

The fourth proportional to 16,875,679.36, 23,288,438.34 and 9,140,721.70 is: 12,614,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875,679.36 : 23,288,438.34 = 9,140,721.70 : x
  2. Step 2: Convert to fraction form
    16,875,679.36/23,288,438.34 = 9,140,721.70/x
  3. Step 3: Cross multiply
    16,875,679.36x = 23,288,438.34 × 9,140,721.70
  4. Step 4: Simplify right side
    16,875,679.36x = 212,873,133,693,549.97
  5. Step 5: Solve for x
    x = 212,873,133,693,549.97/16,875,679.36
  6. Step 6: Final answer
    x = 12,614,196.39

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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.