Home / 28,213,470.39-42,320,730.66-8,019,237.27

Finding the Fourth Proportional to 28,213,470.39, 42,320,730.66 and 8,019,237.27

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Solution

The fourth proportional to 28,213,470.39, 42,320,730.66 and 8,019,237.27 is: 12,029,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,470.39 : 42,320,730.66 = 8,019,237.27 : x
  2. Step 2: Convert to fraction form
    28,213,470.39/42,320,730.66 = 8,019,237.27/x
  3. Step 3: Cross multiply
    28,213,470.39x = 42,320,730.66 × 8,019,237.27
  4. Step 4: Simplify right side
    28,213,470.39x = 339,379,980,602,303.62
  5. Step 5: Solve for x
    x = 339,379,980,602,303.62/28,213,470.39
  6. Step 6: Final answer
    x = 12,029,005.15

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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.