Home / 15,044,626.12-20,762,179.32-8,429,271.64

Finding the Fourth Proportional to 15,044,626.12, 20,762,179.32 and 8,429,271.64

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Solution

The fourth proportional to 15,044,626.12, 20,762,179.32 and 8,429,271.64 is: 11,632,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044,626.12 : 20,762,179.32 = 8,429,271.64 : x
  2. Step 2: Convert to fraction form
    15,044,626.12/20,762,179.32 = 8,429,271.64/x
  3. Step 3: Cross multiply
    15,044,626.12x = 20,762,179.32 × 8,429,271.64
  4. Step 4: Simplify right side
    15,044,626.12x = 175,010,049,326,670.50
  5. Step 5: Solve for x
    x = 175,010,049,326,670.50/15,044,626.12
  6. Step 6: Final answer
    x = 11,632,728.39

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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.