Home / 39,342,018.41-54,292,037.71-21,700,525.34

Finding the Fourth Proportional to 39,342,018.41, 54,292,037.71 and 21,700,525.34

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Solution

The fourth proportional to 39,342,018.41, 54,292,037.71 and 21,700,525.34 is: 29,946,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,342,018.41 : 54,292,037.71 = 21,700,525.34 : x
  2. Step 2: Convert to fraction form
    39,342,018.41/54,292,037.71 = 21,700,525.34/x
  3. Step 3: Cross multiply
    39,342,018.41x = 54,292,037.71 × 21,700,525.34
  4. Step 4: Simplify right side
    39,342,018.41x = 1,178,165,739,706,127.75
  5. Step 5: Solve for x
    x = 1,178,165,739,706,127.75/39,342,018.41
  6. Step 6: Final answer
    x = 29,946,753.81

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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.