Home / 28,245,053.70-42,367,580.55-8,047,671.30

Finding the Fourth Proportional to 28,245,053.70, 42,367,580.55 and 8,047,671.30

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Solution

The fourth proportional to 28,245,053.70, 42,367,580.55 and 8,047,671.30 is: 12,071,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,053.70 : 42,367,580.55 = 8,047,671.30 : x
  2. Step 2: Convert to fraction form
    28,245,053.70/42,367,580.55 = 8,047,671.30/x
  3. Step 3: Cross multiply
    28,245,053.70x = 42,367,580.55 × 8,047,671.30
  4. Step 4: Simplify right side
    28,245,053.70x = 340,960,362,042,673.19
  5. Step 5: Solve for x
    x = 340,960,362,042,673.19/28,245,053.70
  6. Step 6: Final answer
    x = 12,071,506.95

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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.