Home / 9,970,395.12-13,759,155-5,386,720.14

Finding the Fourth Proportional to 9,970,395.12, 13,759,155 and 5,386,720.14

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Solution

The fourth proportional to 9,970,395.12, 13,759,155 and 5,386,720.14 is: 7,433,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970,395.12 : 13,759,155 = 5,386,720.14 : x
  2. Step 2: Convert to fraction form
    9,970,395.12/13,759,155 = 5,386,720.14/x
  3. Step 3: Cross multiply
    9,970,395.12x = 13,759,155 × 5,386,720.14
  4. Step 4: Simplify right side
    9,970,395.12x = 74,116,717,347,881.70
  5. Step 5: Solve for x
    x = 74,116,717,347,881.70/9,970,395.12
  6. Step 6: Final answer
    x = 7,433,679.05

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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.