Home / 13,889,545.68-19,165,755.33-8,009,397.03

Finding the Fourth Proportional to 13,889,545.68, 19,165,755.33 and 8,009,397.03

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Solution

The fourth proportional to 13,889,545.68, 19,165,755.33 and 8,009,397.03 is: 11,051,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,545.68 : 19,165,755.33 = 8,009,397.03 : x
  2. Step 2: Convert to fraction form
    13,889,545.68/19,165,755.33 = 8,009,397.03/x
  3. Step 3: Cross multiply
    13,889,545.68x = 19,165,755.33 × 8,009,397.03
  4. Step 4: Simplify right side
    13,889,545.68x = 153,506,143,817,808.66
  5. Step 5: Solve for x
    x = 153,506,143,817,808.66/13,889,545.68
  6. Step 6: Final answer
    x = 11,051,919.72

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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.