Home / 21,077,035.36-29,070,260.56-18,141,848.16

Finding the Fourth Proportional to 21,077,035.36, 29,070,260.56 and 18,141,848.16

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Solution

The fourth proportional to 21,077,035.36, 29,070,260.56 and 18,141,848.16 is: 25,021,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,035.36 : 29,070,260.56 = 18,141,848.16 : x
  2. Step 2: Convert to fraction form
    21,077,035.36/29,070,260.56 = 18,141,848.16/x
  3. Step 3: Cross multiply
    21,077,035.36x = 29,070,260.56 × 18,141,848.16
  4. Step 4: Simplify right side
    21,077,035.36x = 527,388,253,051,156.56
  5. Step 5: Solve for x
    x = 527,388,253,051,156.56/21,077,035.36
  6. Step 6: Final answer
    x = 25,021,937.10

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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.