Home / 13,308,840.70-19,963,261.05-5,222,080.15

Finding the Fourth Proportional to 13,308,840.70, 19,963,261.05 and 5,222,080.15

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Solution

The fourth proportional to 13,308,840.70, 19,963,261.05 and 5,222,080.15 is: 7,833,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,840.70 : 19,963,261.05 = 5,222,080.15 : x
  2. Step 2: Convert to fraction form
    13,308,840.70/19,963,261.05 = 5,222,080.15/x
  3. Step 3: Cross multiply
    13,308,840.70x = 19,963,261.05 × 5,222,080.15
  4. Step 4: Simplify right side
    13,308,840.70x = 104,249,749,258,473.17
  5. Step 5: Solve for x
    x = 104,249,749,258,473.17/13,308,840.70
  6. Step 6: Final answer
    x = 7,833,120.23

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Double scale
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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.