Home / 10,419,108.30-15,620,316.75-4,951,459.26

Finding the Fourth Proportional to 10,419,108.30, 15,620,316.75 and 4,951,459.26

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Solution

The fourth proportional to 10,419,108.30, 15,620,316.75 and 4,951,459.26 is: 7,423,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,108.30 : 15,620,316.75 = 4,951,459.26 : x
  2. Step 2: Convert to fraction form
    10,419,108.30/15,620,316.75 = 4,951,459.26/x
  3. Step 3: Cross multiply
    10,419,108.30x = 15,620,316.75 × 4,951,459.26
  4. Step 4: Simplify right side
    10,419,108.30x = 77,343,362,015,920.59
  5. Step 5: Solve for x
    x = 77,343,362,015,920.59/10,419,108.30
  6. Step 6: Final answer
    x = 7,423,222.77

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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.