Home / 15,769,158.40-21,761,420.16-8,525,797.12

Finding the Fourth Proportional to 15,769,158.40, 21,761,420.16 and 8,525,797.12

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Solution

The fourth proportional to 15,769,158.40, 21,761,420.16 and 8,525,797.12 is: 11,765,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,158.40 : 21,761,420.16 = 8,525,797.12 : x
  2. Step 2: Convert to fraction form
    15,769,158.40/21,761,420.16 = 8,525,797.12/x
  3. Step 3: Cross multiply
    15,769,158.40x = 21,761,420.16 × 8,525,797.12
  4. Step 4: Simplify right side
    15,769,158.40x = 185,533,453,327,237.94
  5. Step 5: Solve for x
    x = 185,533,453,327,237.94/15,769,158.40
  6. Step 6: Final answer
    x = 11,765,590.06

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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.