Home / 9,962,995.10-14,912,999.85-7,128,643.10

Finding the Fourth Proportional to 9,962,995.10, 14,912,999.85 and 7,128,643.10

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Solution

The fourth proportional to 9,962,995.10, 14,912,999.85 and 7,128,643.10 is: 10,670,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962,995.10 : 14,912,999.85 = 7,128,643.10 : x
  2. Step 2: Convert to fraction form
    9,962,995.10/14,912,999.85 = 7,128,643.10/x
  3. Step 3: Cross multiply
    9,962,995.10x = 14,912,999.85 × 7,128,643.10
  4. Step 4: Simplify right side
    9,962,995.10x = 106,309,453,481,003.53
  5. Step 5: Solve for x
    x = 106,309,453,481,003.53/9,962,995.10
  6. Step 6: Final answer
    x = 10,670,431.17

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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.