Home / 10,428,541.53-15,643,993.29-9,356,999.01

Finding the Fourth Proportional to 10,428,541.53, 15,643,993.29 and 9,356,999.01

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Solution

The fourth proportional to 10,428,541.53, 15,643,993.29 and 9,356,999.01 is: 14,036,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,541.53 : 15,643,993.29 = 9,356,999.01 : x
  2. Step 2: Convert to fraction form
    10,428,541.53/15,643,993.29 = 9,356,999.01/x
  3. Step 3: Cross multiply
    10,428,541.53x = 15,643,993.29 × 9,356,999.01
  4. Step 4: Simplify right side
    10,428,541.53x = 146,380,829,726,976.62
  5. Step 5: Solve for x
    x = 146,380,829,726,976.62/10,428,541.53
  6. Step 6: Final answer
    x = 14,036,558.16

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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.