Home / 13,067,689.81-18,033,426.78-7,266,347.00

Finding the Fourth Proportional to 13,067,689.81, 18,033,426.78 and 7,266,347.00

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Solution

The fourth proportional to 13,067,689.81, 18,033,426.78 and 7,266,347.00 is: 10,027,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067,689.81 : 18,033,426.78 = 7,266,347.00 : x
  2. Step 2: Convert to fraction form
    13,067,689.81/18,033,426.78 = 7,266,347.00/x
  3. Step 3: Cross multiply
    13,067,689.81x = 18,033,426.78 × 7,266,347.00
  4. Step 4: Simplify right side
    13,067,689.81x = 131,037,136,492,405.53
  5. Step 5: Solve for x
    x = 131,037,136,492,405.53/13,067,689.81
  6. Step 6: Final answer
    x = 10,027,567.11

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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.