Home / 7,210,031.27-9,949,842.41-3,946,848.21

Finding the Fourth Proportional to 7,210,031.27, 9,949,842.41 and 3,946,848.21

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Solution

The fourth proportional to 7,210,031.27, 9,949,842.41 and 3,946,848.21 is: 5,446,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,031.27 : 9,949,842.41 = 3,946,848.21 : x
  2. Step 2: Convert to fraction form
    7,210,031.27/9,949,842.41 = 3,946,848.21/x
  3. Step 3: Cross multiply
    7,210,031.27x = 9,949,842.41 × 3,946,848.21
  4. Step 4: Simplify right side
    7,210,031.27x = 39,270,517,685,956.34
  5. Step 5: Solve for x
    x = 39,270,517,685,956.34/7,210,031.27
  6. Step 6: Final answer
    x = 5,446,650.12

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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.