Home / 8,369,427.80-12,551,031.30-3,319,693.40

Finding the Fourth Proportional to 8,369,427.80, 12,551,031.30 and 3,319,693.40

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Solution

The fourth proportional to 8,369,427.80, 12,551,031.30 and 3,319,693.40 is: 4,978,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369,427.80 : 12,551,031.30 = 3,319,693.40 : x
  2. Step 2: Convert to fraction form
    8,369,427.80/12,551,031.30 = 3,319,693.40/x
  3. Step 3: Cross multiply
    8,369,427.80x = 12,551,031.30 × 3,319,693.40
  4. Step 4: Simplify right side
    8,369,427.80x = 41,665,575,769,803.42
  5. Step 5: Solve for x
    x = 41,665,575,769,803.42/8,369,427.80
  6. Step 6: Final answer
    x = 4,978,306.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.