Home / 28,188,210.60-42,282,315.90-17,370,433.80

Finding the Fourth Proportional to 28,188,210.60, 42,282,315.90 and 17,370,433.80

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Solution

The fourth proportional to 28,188,210.60, 42,282,315.90 and 17,370,433.80 is: 26,055,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,210.60 : 42,282,315.90 = 17,370,433.80 : x
  2. Step 2: Convert to fraction form
    28,188,210.60/42,282,315.90 = 17,370,433.80/x
  3. Step 3: Cross multiply
    28,188,210.60x = 42,282,315.90 × 17,370,433.80
  4. Step 4: Simplify right side
    28,188,210.60x = 734,462,169,251,637.38
  5. Step 5: Solve for x
    x = 734,462,169,251,637.38/28,188,210.60
  6. Step 6: Final answer
    x = 26,055,650.70

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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.