Home / 21,870,036.20-32,805,054.30-16,768,202.60

Finding the Fourth Proportional to 21,870,036.20, 32,805,054.30 and 16,768,202.60

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Solution

The fourth proportional to 21,870,036.20, 32,805,054.30 and 16,768,202.60 is: 25,152,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,036.20 : 32,805,054.30 = 16,768,202.60 : x
  2. Step 2: Convert to fraction form
    21,870,036.20/32,805,054.30 = 16,768,202.60/x
  3. Step 3: Cross multiply
    21,870,036.20x = 32,805,054.30 × 16,768,202.60
  4. Step 4: Simplify right side
    21,870,036.20x = 550,081,796,806,401.19
  5. Step 5: Solve for x
    x = 550,081,796,806,401.19/21,870,036.20
  6. Step 6: Final answer
    x = 25,152,303.90

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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.