Home / 28,245,054.70-42,367,582.05-8,047,672.30

Finding the Fourth Proportional to 28,245,054.70, 42,367,582.05 and 8,047,672.30

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Solution

The fourth proportional to 28,245,054.70, 42,367,582.05 and 8,047,672.30 is: 12,071,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245,054.70 : 42,367,582.05 = 8,047,672.30 : x
  2. Step 2: Convert to fraction form
    28,245,054.70/42,367,582.05 = 8,047,672.30/x
  3. Step 3: Cross multiply
    28,245,054.70x = 42,367,582.05 × 8,047,672.30
  4. Step 4: Simplify right side
    28,245,054.70x = 340,960,416,481,762.19
  5. Step 5: Solve for x
    x = 340,960,416,481,762.19/28,245,054.70
  6. Step 6: Final answer
    x = 12,071,508.45

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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.