Home / 28,818,464.53-39,765,139.89-16,429,634.41

Finding the Fourth Proportional to 28,818,464.53, 39,765,139.89 and 16,429,634.41

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Solution

The fourth proportional to 28,818,464.53, 39,765,139.89 and 16,429,634.41 is: 22,670,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818,464.53 : 39,765,139.89 = 16,429,634.41 : x
  2. Step 2: Convert to fraction form
    28,818,464.53/39,765,139.89 = 16,429,634.41/x
  3. Step 3: Cross multiply
    28,818,464.53x = 39,765,139.89 × 16,429,634.41
  4. Step 4: Simplify right side
    28,818,464.53x = 653,326,710,655,207.62
  5. Step 5: Solve for x
    x = 653,326,710,655,207.62/28,818,464.53
  6. Step 6: Final answer
    x = 22,670,420.56

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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.