Home / 15,580,512.71-21,507,107.90-13,946,036.39

Finding the Fourth Proportional to 15,580,512.71, 21,507,107.90 and 13,946,036.39

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Solution

The fourth proportional to 15,580,512.71, 21,507,107.90 and 13,946,036.39 is: 19,250,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,512.71 : 21,507,107.90 = 13,946,036.39 : x
  2. Step 2: Convert to fraction form
    15,580,512.71/21,507,107.90 = 13,946,036.39/x
  3. Step 3: Cross multiply
    15,580,512.71x = 21,507,107.90 × 13,946,036.39
  4. Step 4: Simplify right side
    15,580,512.71x = 299,938,909,398,888.88
  5. Step 5: Solve for x
    x = 299,938,909,398,888.88/15,580,512.71
  6. Step 6: Final answer
    x = 19,250,901.11

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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.