Home / 13,793,251.80-19,035,278.01-7,681,680.30

Finding the Fourth Proportional to 13,793,251.80, 19,035,278.01 and 7,681,680.30

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Solution

The fourth proportional to 13,793,251.80, 19,035,278.01 and 7,681,680.30 is: 10,601,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,251.80 : 19,035,278.01 = 7,681,680.30 : x
  2. Step 2: Convert to fraction form
    13,793,251.80/19,035,278.01 = 7,681,680.30/x
  3. Step 3: Cross multiply
    13,793,251.80x = 19,035,278.01 × 7,681,680.30
  4. Step 4: Simplify right side
    13,793,251.80x = 146,222,920,094,440.22
  5. Step 5: Solve for x
    x = 146,222,920,094,440.22/13,793,251.80
  6. Step 6: Final answer
    x = 10,601,047.69

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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.