Home / 39,165,307.63-54,049,420.35-21,524,835.46

Finding the Fourth Proportional to 39,165,307.63, 54,049,420.35 and 21,524,835.46

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Solution

The fourth proportional to 39,165,307.63, 54,049,420.35 and 21,524,835.46 is: 29,704,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165,307.63 : 54,049,420.35 = 21,524,835.46 : x
  2. Step 2: Convert to fraction form
    39,165,307.63/54,049,420.35 = 21,524,835.46/x
  3. Step 3: Cross multiply
    39,165,307.63x = 54,049,420.35 × 21,524,835.46
  4. Step 4: Simplify right side
    39,165,307.63x = 1,163,404,879,802,412.75
  5. Step 5: Solve for x
    x = 1,163,404,879,802,412.75/39,165,307.63
  6. Step 6: Final answer
    x = 29,704,985.11

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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.