Home / 15,674,539.17-21,638,102.97-9,398,036.72

Finding the Fourth Proportional to 15,674,539.17, 21,638,102.97 and 9,398,036.72

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Solution

The fourth proportional to 15,674,539.17, 21,638,102.97 and 9,398,036.72 is: 12,973,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674,539.17 : 21,638,102.97 = 9,398,036.72 : x
  2. Step 2: Convert to fraction form
    15,674,539.17/21,638,102.97 = 9,398,036.72/x
  3. Step 3: Cross multiply
    15,674,539.17x = 21,638,102.97 × 9,398,036.72
  4. Step 4: Simplify right side
    15,674,539.17x = 203,355,686,363,546.44
  5. Step 5: Solve for x
    x = 203,355,686,363,546.44/15,674,539.17
  6. Step 6: Final answer
    x = 12,973,630.94

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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.