Home / 15,819,681.18-21,832,788.24-9,625,167.69

Finding the Fourth Proportional to 15,819,681.18, 21,832,788.24 and 9,625,167.69

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Solution

The fourth proportional to 15,819,681.18, 21,832,788.24 and 9,625,167.69 is: 13,283,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,681.18 : 21,832,788.24 = 9,625,167.69 : x
  2. Step 2: Convert to fraction form
    15,819,681.18/21,832,788.24 = 9,625,167.69/x
  3. Step 3: Cross multiply
    15,819,681.18x = 21,832,788.24 × 9,625,167.69
  4. Step 4: Simplify right side
    15,819,681.18x = 210,144,247,950,259.94
  5. Step 5: Solve for x
    x = 210,144,247,950,259.94/15,819,681.18
  6. Step 6: Final answer
    x = 13,283,722.06

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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.