Home / 19,958,967.81-27,543,215.12-11,587,114.40

Finding the Fourth Proportional to 19,958,967.81, 27,543,215.12 and 11,587,114.40

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Solution

The fourth proportional to 19,958,967.81, 27,543,215.12 and 11,587,114.40 is: 15,990,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,967.81 : 27,543,215.12 = 11,587,114.40 : x
  2. Step 2: Convert to fraction form
    19,958,967.81/27,543,215.12 = 11,587,114.40/x
  3. Step 3: Cross multiply
    19,958,967.81x = 27,543,215.12 × 11,587,114.40
  4. Step 4: Simplify right side
    19,958,967.81x = 319,146,384,343,598.06
  5. Step 5: Solve for x
    x = 319,146,384,343,598.06/19,958,967.81
  6. Step 6: Final answer
    x = 15,990,124.71

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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.