Home / 20,896,280.24-31,330,110.66-10,641,289.02

Finding the Fourth Proportional to 20,896,280.24, 31,330,110.66 and 10,641,289.02

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Solution

The fourth proportional to 20,896,280.24, 31,330,110.66 and 10,641,289.02 is: 15,954,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,280.24 : 31,330,110.66 = 10,641,289.02 : x
  2. Step 2: Convert to fraction form
    20,896,280.24/31,330,110.66 = 10,641,289.02/x
  3. Step 3: Cross multiply
    20,896,280.24x = 31,330,110.66 × 10,641,289.02
  4. Step 4: Simplify right side
    20,896,280.24x = 333,392,762,561,642.94
  5. Step 5: Solve for x
    x = 333,392,762,561,642.94/20,896,280.24
  6. Step 6: Final answer
    x = 15,954,646.41

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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.