Home / 15,765,456.16-21,756,299.46-8,795,719.03

Finding the Fourth Proportional to 15,765,456.16, 21,756,299.46 and 8,795,719.03

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Solution

The fourth proportional to 15,765,456.16, 21,756,299.46 and 8,795,719.03 is: 12,138,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,456.16 : 21,756,299.46 = 8,795,719.03 : x
  2. Step 2: Convert to fraction form
    15,765,456.16/21,756,299.46 = 8,795,719.03/x
  3. Step 3: Cross multiply
    15,765,456.16x = 21,756,299.46 × 8,795,719.03
  4. Step 4: Simplify right side
    15,765,456.16x = 191,362,297,182,700.72
  5. Step 5: Solve for x
    x = 191,362,297,182,700.72/15,765,456.16
  6. Step 6: Final answer
    x = 12,138,075.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.