Home / 21,870,140.40-32,805,210.60-11,666,473.20

Finding the Fourth Proportional to 21,870,140.40, 32,805,210.60 and 11,666,473.20

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Solution

The fourth proportional to 21,870,140.40, 32,805,210.60 and 11,666,473.20 is: 17,499,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,140.40 : 32,805,210.60 = 11,666,473.20 : x
  2. Step 2: Convert to fraction form
    21,870,140.40/32,805,210.60 = 11,666,473.20/x
  3. Step 3: Cross multiply
    21,870,140.40x = 32,805,210.60 × 11,666,473.20
  4. Step 4: Simplify right side
    21,870,140.40x = 382,721,110,285,255.94
  5. Step 5: Solve for x
    x = 382,721,110,285,255.94/21,870,140.40
  6. Step 6: Final answer
    x = 17,499,709.80

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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.