Home / 15,585,889.56-21,509,191.90-8,710,371.56

Finding the Fourth Proportional to 15,585,889.56, 21,509,191.90 and 8,710,371.56

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Solution

The fourth proportional to 15,585,889.56, 21,509,191.90 and 8,710,371.56 is: 12,020,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,889.56 : 21,509,191.90 = 8,710,371.56 : x
  2. Step 2: Convert to fraction form
    15,585,889.56/21,509,191.90 = 8,710,371.56/x
  3. Step 3: Cross multiply
    15,585,889.56x = 21,509,191.90 × 8,710,371.56
  4. Step 4: Simplify right side
    15,585,889.56x = 187,353,053,404,342.38
  5. Step 5: Solve for x
    x = 187,353,053,404,342.38/15,585,889.56
  6. Step 6: Final answer
    x = 12,020,684.01

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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.