Home / 28,081,210.80-42,037,835.40-16,715,809.20

Finding the Fourth Proportional to 28,081,210.80, 42,037,835.40 and 16,715,809.20

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Solution

The fourth proportional to 28,081,210.80, 42,037,835.40 and 16,715,809.20 is: 25,023,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,210.80 : 42,037,835.40 = 16,715,809.20 : x
  2. Step 2: Convert to fraction form
    28,081,210.80/42,037,835.40 = 16,715,809.20/x
  3. Step 3: Cross multiply
    28,081,210.80x = 42,037,835.40 × 16,715,809.20
  4. Step 4: Simplify right side
    28,081,210.80x = 702,696,435,727,405.62
  5. Step 5: Solve for x
    x = 702,696,435,727,405.62/28,081,210.80
  6. Step 6: Final answer
    x = 25,023,722.83

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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.