Home / 19,638,759-29,459,188.28-6,176,636.76

Finding the Fourth Proportional to 19,638,759, 29,459,188.28 and 6,176,636.76

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Solution

The fourth proportional to 19,638,759, 29,459,188.28 and 6,176,636.76 is: 9,265,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638,759 : 29,459,188.28 = 6,176,636.76 : x
  2. Step 2: Convert to fraction form
    19,638,759/29,459,188.28 = 6,176,636.76/x
  3. Step 3: Cross multiply
    19,638,759x = 29,459,188.28 × 6,176,636.76
  4. Step 4: Simplify right side
    19,638,759x = 181,958,705,250,009.19
  5. Step 5: Solve for x
    x = 181,958,705,250,009.19/19,638,759
  6. Step 6: Final answer
    x = 9,265,285.31

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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.