Home / 36,289,969.20-54,434,953.80-21,929,252.40

Finding the Fourth Proportional to 36,289,969.20, 54,434,953.80 and 21,929,252.40

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Solution

The fourth proportional to 36,289,969.20, 54,434,953.80 and 21,929,252.40 is: 32,893,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289,969.20 : 54,434,953.80 = 21,929,252.40 : x
  2. Step 2: Convert to fraction form
    36,289,969.20/54,434,953.80 = 21,929,252.40/x
  3. Step 3: Cross multiply
    36,289,969.20x = 54,434,953.80 × 21,929,252.40
  4. Step 4: Simplify right side
    36,289,969.20x = 1,193,717,841,262,539
  5. Step 5: Solve for x
    x = 1,193,717,841,262,539/36,289,969.20
  6. Step 6: Final answer
    x = 32,893,878.60

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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.