Home / 19,681,012.68-27,165,199.55-11,423,735.20

Finding the Fourth Proportional to 19,681,012.68, 27,165,199.55 and 11,423,735.20

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Solution

The fourth proportional to 19,681,012.68, 27,165,199.55 and 11,423,735.20 is: 15,767,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,012.68 : 27,165,199.55 = 11,423,735.20 : x
  2. Step 2: Convert to fraction form
    19,681,012.68/27,165,199.55 = 11,423,735.20/x
  3. Step 3: Cross multiply
    19,681,012.68x = 27,165,199.55 × 11,423,735.20
  4. Step 4: Simplify right side
    19,681,012.68x = 310,328,046,257,240.50
  5. Step 5: Solve for x
    x = 310,328,046,257,240.50/19,681,012.68
  6. Step 6: Final answer
    x = 15,767,890.16

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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.