Home / 19,421,565.75-29,133,748.31-7,454,301.75

Finding the Fourth Proportional to 19,421,565.75, 29,133,748.31 and 7,454,301.75

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Solution

The fourth proportional to 19,421,565.75, 29,133,748.31 and 7,454,301.75 is: 11,181,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,565.75 : 29,133,748.31 = 7,454,301.75 : x
  2. Step 2: Convert to fraction form
    19,421,565.75/29,133,748.31 = 7,454,301.75/x
  3. Step 3: Cross multiply
    19,421,565.75x = 29,133,748.31 × 7,454,301.75
  4. Step 4: Simplify right side
    19,421,565.75x = 217,171,750,974,021.03
  5. Step 5: Solve for x
    x = 217,171,750,974,021.03/19,421,565.75
  6. Step 6: Final answer
    x = 11,181,989.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.