Home / 10,208,729.32-15,315,364.48-4,452,393.72

Finding the Fourth Proportional to 10,208,729.32, 15,315,364.48 and 4,452,393.72

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Solution

The fourth proportional to 10,208,729.32, 15,315,364.48 and 4,452,393.72 is: 6,679,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,729.32 : 15,315,364.48 = 4,452,393.72 : x
  2. Step 2: Convert to fraction form
    10,208,729.32/15,315,364.48 = 4,452,393.72/x
  3. Step 3: Cross multiply
    10,208,729.32x = 15,315,364.48 × 4,452,393.72
  4. Step 4: Simplify right side
    10,208,729.32x = 68,190,032,630,263.06
  5. Step 5: Solve for x
    x = 68,190,032,630,263.06/10,208,729.32
  6. Step 6: Final answer
    x = 6,679,580.83

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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.