Home / 28,361,053.92-42,532,657.24-9,187,362.48

Finding the Fourth Proportional to 28,361,053.92, 42,532,657.24 and 9,187,362.48

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Solution

The fourth proportional to 28,361,053.92, 42,532,657.24 and 9,187,362.48 is: 13,778,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,053.92 : 42,532,657.24 = 9,187,362.48 : x
  2. Step 2: Convert to fraction form
    28,361,053.92/42,532,657.24 = 9,187,362.48/x
  3. Step 3: Cross multiply
    28,361,053.92x = 42,532,657.24 × 9,187,362.48
  4. Step 4: Simplify right side
    28,361,053.92x = 390,762,939,301,476.38
  5. Step 5: Solve for x
    x = 390,762,939,301,476.38/28,361,053.92
  6. Step 6: Final answer
    x = 13,778,152.97

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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.