Home / 8,722,011.72-12,031,274.34-5,668,259.88

Finding the Fourth Proportional to 8,722,011.72, 12,031,274.34 and 5,668,259.88

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Solution

The fourth proportional to 8,722,011.72, 12,031,274.34 and 5,668,259.88 is: 7,818,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722,011.72 : 12,031,274.34 = 5,668,259.88 : x
  2. Step 2: Convert to fraction form
    8,722,011.72/12,031,274.34 = 5,668,259.88/x
  3. Step 3: Cross multiply
    8,722,011.72x = 12,031,274.34 × 5,668,259.88
  4. Step 4: Simplify right side
    8,722,011.72x = 68,196,389,646,695.48
  5. Step 5: Solve for x
    x = 68,196,389,646,695.48/8,722,011.72
  6. Step 6: Final answer
    x = 7,818,883.06

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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.