Home / 28,170,688.86-42,271,733.61-15,216,578.46

Finding the Fourth Proportional to 28,170,688.86, 42,271,733.61 and 15,216,578.46

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Solution

The fourth proportional to 28,170,688.86, 42,271,733.61 and 15,216,578.46 is: 22,833,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,170,688.86 : 42,271,733.61 = 15,216,578.46 : x
  2. Step 2: Convert to fraction form
    28,170,688.86/42,271,733.61 = 15,216,578.46/x
  3. Step 3: Cross multiply
    28,170,688.86x = 42,271,733.61 × 15,216,578.46
  4. Step 4: Simplify right side
    28,170,688.86x = 643,231,151,116,784.12
  5. Step 5: Solve for x
    x = 643,231,151,116,784.12/28,170,688.86
  6. Step 6: Final answer
    x = 22,833,348.32

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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.