Home / 19,681,853.55-27,160,969.46-10,980,026.18

Finding the Fourth Proportional to 19,681,853.55, 27,160,969.46 and 10,980,026.18

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Solution

The fourth proportional to 19,681,853.55, 27,160,969.46 and 10,980,026.18 is: 15,152,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,853.55 : 27,160,969.46 = 10,980,026.18 : x
  2. Step 2: Convert to fraction form
    19,681,853.55/27,160,969.46 = 10,980,026.18/x
  3. Step 3: Cross multiply
    19,681,853.55x = 27,160,969.46 × 10,980,026.18
  4. Step 4: Simplify right side
    19,681,853.55x = 298,228,155,717,891.81
  5. Step 5: Solve for x
    x = 298,228,155,717,891.81/19,681,853.55
  6. Step 6: Final answer
    x = 15,152,442.58

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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.