Home / 28,275,433.68-42,334,130.98-15,275,009

Finding the Fourth Proportional to 28,275,433.68, 42,334,130.98 and 15,275,009

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Solution

The fourth proportional to 28,275,433.68, 42,334,130.98 and 15,275,009 is: 22,869,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275,433.68 : 42,334,130.98 = 15,275,009 : x
  2. Step 2: Convert to fraction form
    28,275,433.68/42,334,130.98 = 15,275,009/x
  3. Step 3: Cross multiply
    28,275,433.68x = 42,334,130.98 × 15,275,009
  4. Step 4: Simplify right side
    28,275,433.68x = 646,654,231,726,678.75
  5. Step 5: Solve for x
    x = 646,654,231,726,678.75/28,275,433.68
  6. Step 6: Final answer
    x = 22,869,825.41

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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.