Home / 9,000,492.74-12,420,712.70-4,870,523.46

Finding the Fourth Proportional to 9,000,492.74, 12,420,712.70 and 4,870,523.46

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Solution

The fourth proportional to 9,000,492.74, 12,420,712.70 and 4,870,523.46 is: 6,721,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,492.74 : 12,420,712.70 = 4,870,523.46 : x
  2. Step 2: Convert to fraction form
    9,000,492.74/12,420,712.70 = 4,870,523.46/x
  3. Step 3: Cross multiply
    9,000,492.74x = 12,420,712.70 × 4,870,523.46
  4. Step 4: Simplify right side
    9,000,492.74x = 60,495,372,635,759.46
  5. Step 5: Solve for x
    x = 60,495,372,635,759.46/9,000,492.74
  6. Step 6: Final answer
    x = 6,721,340.09

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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.