Home / 28,081,454.50-42,046,487.55-18,341,949.37

Finding the Fourth Proportional to 28,081,454.50, 42,046,487.55 and 18,341,949.37

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Solution

The fourth proportional to 28,081,454.50, 42,046,487.55 and 18,341,949.37 is: 27,463,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,454.50 : 42,046,487.55 = 18,341,949.37 : x
  2. Step 2: Convert to fraction form
    28,081,454.50/42,046,487.55 = 18,341,949.37/x
  3. Step 3: Cross multiply
    28,081,454.50x = 42,046,487.55 × 18,341,949.37
  4. Step 4: Simplify right side
    28,081,454.50x = 771,214,545,828,435.38
  5. Step 5: Solve for x
    x = 771,214,545,828,435.38/28,081,454.50
  6. Step 6: Final answer
    x = 27,463,482.91

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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.