Home / 7,166,133.16-9,889,263.76-3,946,869.16

Finding the Fourth Proportional to 7,166,133.16, 9,889,263.76 and 3,946,869.16

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Solution

The fourth proportional to 7,166,133.16, 9,889,263.76 and 3,946,869.16 is: 5,446,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,133.16 : 9,889,263.76 = 3,946,869.16 : x
  2. Step 2: Convert to fraction form
    7,166,133.16/9,889,263.76 = 3,946,869.16/x
  3. Step 3: Cross multiply
    7,166,133.16x = 9,889,263.76 × 3,946,869.16
  4. Step 4: Simplify right side
    7,166,133.16x = 39,031,630,149,449.64
  5. Step 5: Solve for x
    x = 39,031,630,149,449.64/7,166,133.16
  6. Step 6: Final answer
    x = 5,446,679.44

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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.