Home / 7,142,719.58-9,857,024.63-3,879,598.13

Finding the Fourth Proportional to 7,142,719.58, 9,857,024.63 and 3,879,598.13

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Solution

The fourth proportional to 7,142,719.58, 9,857,024.63 and 3,879,598.13 is: 5,353,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,719.58 : 9,857,024.63 = 3,879,598.13 : x
  2. Step 2: Convert to fraction form
    7,142,719.58/9,857,024.63 = 3,879,598.13/x
  3. Step 3: Cross multiply
    7,142,719.58x = 9,857,024.63 × 3,879,598.13
  4. Step 4: Simplify right side
    7,142,719.58x = 38,241,294,331,610.94
  5. Step 5: Solve for x
    x = 38,241,294,331,610.94/7,142,719.58
  6. Step 6: Final answer
    x = 5,353,884.32

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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.