Home / 13,614,499.51-18,788,012.31-7,419,547.69

Finding the Fourth Proportional to 13,614,499.51, 18,788,012.31 and 7,419,547.69

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Solution

The fourth proportional to 13,614,499.51, 18,788,012.31 and 7,419,547.69 is: 10,238,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,499.51 : 18,788,012.31 = 7,419,547.69 : x
  2. Step 2: Convert to fraction form
    13,614,499.51/18,788,012.31 = 7,419,547.69/x
  3. Step 3: Cross multiply
    13,614,499.51x = 18,788,012.31 × 7,419,547.69
  4. Step 4: Simplify right side
    13,614,499.51x = 139,398,553,334,352.06
  5. Step 5: Solve for x
    x = 139,398,553,334,352.06/13,614,499.51
  6. Step 6: Final answer
    x = 10,238,977.44

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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.