Home / 19,119,437.90-28,687,632.83-10,019,371.89

Finding the Fourth Proportional to 19,119,437.90, 28,687,632.83 and 10,019,371.89

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Solution

The fourth proportional to 19,119,437.90, 28,687,632.83 and 10,019,371.89 is: 15,033,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119,437.90 : 28,687,632.83 = 10,019,371.89 : x
  2. Step 2: Convert to fraction form
    19,119,437.90/28,687,632.83 = 10,019,371.89/x
  3. Step 3: Cross multiply
    19,119,437.90x = 28,687,632.83 × 10,019,371.89
  4. Step 4: Simplify right side
    19,119,437.90x = 287,432,061,917,446.31
  5. Step 5: Solve for x
    x = 287,432,061,917,446.31/19,119,437.90
  6. Step 6: Final answer
    x = 15,033,499.60

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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.