Home / 28,423,074.40-42,625,280.40-10,469,845.60

Finding the Fourth Proportional to 28,423,074.40, 42,625,280.40 and 10,469,845.60

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Solution

The fourth proportional to 28,423,074.40, 42,625,280.40 and 10,469,845.60 is: 15,701,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,423,074.40 : 42,625,280.40 = 10,469,845.60 : x
  2. Step 2: Convert to fraction form
    28,423,074.40/42,625,280.40 = 10,469,845.60/x
  3. Step 3: Cross multiply
    28,423,074.40x = 42,625,280.40 × 10,469,845.60
  4. Step 4: Simplify right side
    28,423,074.40x = 446,280,104,444,706.19
  5. Step 5: Solve for x
    x = 446,280,104,444,706.19/28,423,074.40
  6. Step 6: Final answer
    x = 15,701,331.18

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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.