Home / 15,401,308.31-21,253,973.43-8,525,905.19

Finding the Fourth Proportional to 15,401,308.31, 21,253,973.43 and 8,525,905.19

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Solution

The fourth proportional to 15,401,308.31, 21,253,973.43 and 8,525,905.19 is: 11,765,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,308.31 : 21,253,973.43 = 8,525,905.19 : x
  2. Step 2: Convert to fraction form
    15,401,308.31/21,253,973.43 = 8,525,905.19/x
  3. Step 3: Cross multiply
    15,401,308.31x = 21,253,973.43 × 8,525,905.19
  4. Step 4: Simplify right side
    15,401,308.31x = 181,209,362,268,689.25
  5. Step 5: Solve for x
    x = 181,209,362,268,689.25/15,401,308.31
  6. Step 6: Final answer
    x = 11,765,842.14

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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.