Home / 10,609,890.04-15,917,940.60-3,421,279.36

Finding the Fourth Proportional to 10,609,890.04, 15,917,940.60 and 3,421,279.36

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Solution

The fourth proportional to 10,609,890.04, 15,917,940.60 and 3,421,279.36 is: 5,132,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609,890.04 : 15,917,940.60 = 3,421,279.36 : x
  2. Step 2: Convert to fraction form
    10,609,890.04/15,917,940.60 = 3,421,279.36/x
  3. Step 3: Cross multiply
    10,609,890.04x = 15,917,940.60 × 3,421,279.36
  4. Step 4: Simplify right side
    10,609,890.04x = 54,459,721,628,486.02
  5. Step 5: Solve for x
    x = 54,459,721,628,486.02/10,609,890.04
  6. Step 6: Final answer
    x = 5,132,920.46

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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.