Home / 19,123,373.12-26,389,584.61-10,421,368.16

Finding the Fourth Proportional to 19,123,373.12, 26,389,584.61 and 10,421,368.16

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Solution

The fourth proportional to 19,123,373.12, 26,389,584.61 and 10,421,368.16 is: 14,381,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,373.12 : 26,389,584.61 = 10,421,368.16 : x
  2. Step 2: Convert to fraction form
    19,123,373.12/26,389,584.61 = 10,421,368.16/x
  3. Step 3: Cross multiply
    19,123,373.12x = 26,389,584.61 × 10,421,368.16
  4. Step 4: Simplify right side
    19,123,373.12x = 275,015,576,652,278.69
  5. Step 5: Solve for x
    x = 275,015,576,652,278.69/19,123,373.12
  6. Step 6: Final answer
    x = 14,381,122.78

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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.