Home / 19,638,747-29,459,170.26-6,176,624.76

Finding the Fourth Proportional to 19,638,747, 29,459,170.26 and 6,176,624.76

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Solution

The fourth proportional to 19,638,747, 29,459,170.26 and 6,176,624.76 is: 9,265,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638,747 : 29,459,170.26 = 6,176,624.76 : x
  2. Step 2: Convert to fraction form
    19,638,747/29,459,170.26 = 6,176,624.76/x
  3. Step 3: Cross multiply
    19,638,747x = 29,459,170.26 × 6,176,624.76
  4. Step 4: Simplify right side
    19,638,747x = 181,958,240,436,971.66
  5. Step 5: Solve for x
    x = 181,958,240,436,971.66/19,638,747
  6. Step 6: Final answer
    x = 9,265,267.30

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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.