Home / 12,492,031.90-18,738,047.85-5,773,567.90

Finding the Fourth Proportional to 12,492,031.90, 18,738,047.85 and 5,773,567.90

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Solution

The fourth proportional to 12,492,031.90, 18,738,047.85 and 5,773,567.90 is: 8,660,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,031.90 : 18,738,047.85 = 5,773,567.90 : x
  2. Step 2: Convert to fraction form
    12,492,031.90/18,738,047.85 = 5,773,567.90/x
  3. Step 3: Cross multiply
    12,492,031.90x = 18,738,047.85 × 5,773,567.90
  4. Step 4: Simplify right side
    12,492,031.90x = 108,185,391,575,424.03
  5. Step 5: Solve for x
    x = 108,185,391,575,424.03/12,492,031.90
  6. Step 6: Final answer
    x = 8,660,351.85

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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.