Home / 13,868,402.71-19,138,959.81-7,673,348.64

Finding the Fourth Proportional to 13,868,402.71, 19,138,959.81 and 7,673,348.64

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Solution

The fourth proportional to 13,868,402.71, 19,138,959.81 and 7,673,348.64 is: 10,589,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,402.71 : 19,138,959.81 = 7,673,348.64 : x
  2. Step 2: Convert to fraction form
    13,868,402.71/19,138,959.81 = 7,673,348.64/x
  3. Step 3: Cross multiply
    13,868,402.71x = 19,138,959.81 × 7,673,348.64
  4. Step 4: Simplify right side
    13,868,402.71x = 146,859,911,229,078.16
  5. Step 5: Solve for x
    x = 146,859,911,229,078.16/13,868,402.71
  6. Step 6: Final answer
    x = 10,589,533.22

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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.