Home / 18,915,970.24-28,377,946.08-6,135,482.56

Finding the Fourth Proportional to 18,915,970.24, 28,377,946.08 and 6,135,482.56

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Solution

The fourth proportional to 18,915,970.24, 28,377,946.08 and 6,135,482.56 is: 9,204,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,970.24 : 28,377,946.08 = 6,135,482.56 : x
  2. Step 2: Convert to fraction form
    18,915,970.24/28,377,946.08 = 6,135,482.56/x
  3. Step 3: Cross multiply
    18,915,970.24x = 28,377,946.08 × 6,135,482.56
  4. Step 4: Simplify right side
    18,915,970.24x = 174,112,393,262,460.34
  5. Step 5: Solve for x
    x = 174,112,393,262,460.34/18,915,970.24
  6. Step 6: Final answer
    x = 9,204,518.25

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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.