Home / 9,970,399.12-13,759,160.52-5,386,724.14

Finding the Fourth Proportional to 9,970,399.12, 13,759,160.52 and 5,386,724.14

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Solution

The fourth proportional to 9,970,399.12, 13,759,160.52 and 5,386,724.14 is: 7,433,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970,399.12 : 13,759,160.52 = 5,386,724.14 : x
  2. Step 2: Convert to fraction form
    9,970,399.12/13,759,160.52 = 5,386,724.14/x
  3. Step 3: Cross multiply
    9,970,399.12x = 13,759,160.52 × 5,386,724.14
  4. Step 4: Simplify right side
    9,970,399.12x = 74,116,802,119,218.95
  5. Step 5: Solve for x
    x = 74,116,802,119,218.95/9,970,399.12
  6. Step 6: Final answer
    x = 7,433,684.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.