Home / 7,827,556.88-10,802,499.72-4,390,001.12

Finding the Fourth Proportional to 7,827,556.88, 10,802,499.72 and 4,390,001.12

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Solution

The fourth proportional to 7,827,556.88, 10,802,499.72 and 4,390,001.12 is: 6,058,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,556.88 : 10,802,499.72 = 4,390,001.12 : x
  2. Step 2: Convert to fraction form
    7,827,556.88/10,802,499.72 = 4,390,001.12/x
  3. Step 3: Cross multiply
    7,827,556.88x = 10,802,499.72 × 4,390,001.12
  4. Step 4: Simplify right side
    7,827,556.88x = 47,422,985,869,599.69
  5. Step 5: Solve for x
    x = 47,422,985,869,599.69/7,827,556.88
  6. Step 6: Final answer
    x = 6,058,465.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.