Home / 28,564,046.40-42,846,069.60-9,395,428.80

Finding the Fourth Proportional to 28,564,046.40, 42,846,069.60 and 9,395,428.80

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Solution

The fourth proportional to 28,564,046.40, 42,846,069.60 and 9,395,428.80 is: 14,093,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,046.40 : 42,846,069.60 = 9,395,428.80 : x
  2. Step 2: Convert to fraction form
    28,564,046.40/42,846,069.60 = 9,395,428.80/x
  3. Step 3: Cross multiply
    28,564,046.40x = 42,846,069.60 × 9,395,428.80
  4. Step 4: Simplify right side
    28,564,046.40x = 402,557,196,286,644.50
  5. Step 5: Solve for x
    x = 402,557,196,286,644.50/28,564,046.40
  6. Step 6: Final answer
    x = 14,093,143.20

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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.