Home / 9,342,492.72-12,893,014.95-5,212,884.57

Finding the Fourth Proportional to 9,342,492.72, 12,893,014.95 and 5,212,884.57

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Solution

The fourth proportional to 9,342,492.72, 12,893,014.95 and 5,212,884.57 is: 7,193,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342,492.72 : 12,893,014.95 = 5,212,884.57 : x
  2. Step 2: Convert to fraction form
    9,342,492.72/12,893,014.95 = 5,212,884.57/x
  3. Step 3: Cross multiply
    9,342,492.72x = 12,893,014.95 × 5,212,884.57
  4. Step 4: Simplify right side
    9,342,492.72x = 67,209,798,693,634.32
  5. Step 5: Solve for x
    x = 67,209,798,693,634.32/9,342,492.72
  6. Step 6: Final answer
    x = 7,193,989.95

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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.