Home / 9,000,491.38-12,420,710.82-4,870,522.09

Finding the Fourth Proportional to 9,000,491.38, 12,420,710.82 and 4,870,522.09

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Solution

The fourth proportional to 9,000,491.38, 12,420,710.82 and 4,870,522.09 is: 6,721,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,491.38 : 12,420,710.82 = 4,870,522.09 : x
  2. Step 2: Convert to fraction form
    9,000,491.38/12,420,710.82 = 4,870,522.09/x
  3. Step 3: Cross multiply
    9,000,491.38x = 12,420,710.82 × 4,870,522.09
  4. Step 4: Simplify right side
    9,000,491.38x = 60,495,346,360,208.46
  5. Step 5: Solve for x
    x = 60,495,346,360,208.46/9,000,491.38
  6. Step 6: Final answer
    x = 6,721,338.18

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Double scale
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1.5x scale

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.