Home / 5,071,955.04-7,000,015.20-3,138,838.56

Finding the Fourth Proportional to 5,071,955.04, 7,000,015.20 and 3,138,838.56

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Solution

The fourth proportional to 5,071,955.04, 7,000,015.20 and 3,138,838.56 is: 4,332,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071,955.04 : 7,000,015.20 = 3,138,838.56 : x
  2. Step 2: Convert to fraction form
    5,071,955.04/7,000,015.20 = 3,138,838.56/x
  3. Step 3: Cross multiply
    5,071,955.04x = 7,000,015.20 × 3,138,838.56
  4. Step 4: Simplify right side
    5,071,955.04x = 21,971,917,630,346.11
  5. Step 5: Solve for x
    x = 21,971,917,630,346.11/5,071,955.04
  6. Step 6: Final answer
    x = 4,332,041.09

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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.