Home / 13,066,309.31-18,030,569.35-7,186,351.36

Finding the Fourth Proportional to 13,066,309.31, 18,030,569.35 and 7,186,351.36

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Solution

The fourth proportional to 13,066,309.31, 18,030,569.35 and 7,186,351.36 is: 9,916,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,309.31 : 18,030,569.35 = 7,186,351.36 : x
  2. Step 2: Convert to fraction form
    13,066,309.31/18,030,569.35 = 7,186,351.36/x
  3. Step 3: Cross multiply
    13,066,309.31x = 18,030,569.35 × 7,186,351.36
  4. Step 4: Simplify right side
    13,066,309.31x = 129,574,006,584,689.20
  5. Step 5: Solve for x
    x = 129,574,006,584,689.20/13,066,309.31
  6. Step 6: Final answer
    x = 9,916,649.26

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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.