Home / 18,386,435.06-25,373,931.09-11,420,927.37

Finding the Fourth Proportional to 18,386,435.06, 25,373,931.09 and 11,420,927.37

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Solution

The fourth proportional to 18,386,435.06, 25,373,931.09 and 11,420,927.37 is: 15,761,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,435.06 : 25,373,931.09 = 11,420,927.37 : x
  2. Step 2: Convert to fraction form
    18,386,435.06/25,373,931.09 = 11,420,927.37/x
  3. Step 3: Cross multiply
    18,386,435.06x = 25,373,931.09 × 11,420,927.37
  4. Step 4: Simplify right side
    18,386,435.06x = 289,793,823,960,549.81
  5. Step 5: Solve for x
    x = 289,793,823,960,549.81/18,386,435.06
  6. Step 6: Final answer
    x = 15,761,283.96

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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.