Home / 10,609,889.04-15,917,939.10-3,421,278.36

Finding the Fourth Proportional to 10,609,889.04, 15,917,939.10 and 3,421,278.36

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Solution

The fourth proportional to 10,609,889.04, 15,917,939.10 and 3,421,278.36 is: 5,132,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,889.04 : 15,917,939.10 = 3,421,278.36 : x
  2. Step 2: Convert to fraction form
    10,609,889.04/15,917,939.10 = 3,421,278.36/x
  3. Step 3: Cross multiply
    10,609,889.04x = 15,917,939.10 × 3,421,278.36
  4. Step 4: Simplify right side
    10,609,889.04x = 54,459,700,578,627.88
  5. Step 5: Solve for x
    x = 54,459,700,578,627.88/10,609,889.04
  6. Step 6: Final answer
    x = 5,132,918.96

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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.