Home / 10,501,410-15,754,771.80-2,928,376.56

Finding the Fourth Proportional to 10,501,410, 15,754,771.80 and 2,928,376.56

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Solution

The fourth proportional to 10,501,410, 15,754,771.80 and 2,928,376.56 is: 4,393,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,410 : 15,754,771.80 = 2,928,376.56 : x
  2. Step 2: Convert to fraction form
    10,501,410/15,754,771.80 = 2,928,376.56/x
  3. Step 3: Cross multiply
    10,501,410x = 15,754,771.80 × 2,928,376.56
  4. Step 4: Simplify right side
    10,501,410x = 46,135,904,447,269.01
  5. Step 5: Solve for x
    x = 46,135,904,447,269.01/10,501,410
  6. Step 6: Final answer
    x = 4,393,305.70

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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.