Home / 19,208,531.34-28,812,846.14-7,848,979.92

Finding the Fourth Proportional to 19,208,531.34, 28,812,846.14 and 7,848,979.92

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Solution

The fourth proportional to 19,208,531.34, 28,812,846.14 and 7,848,979.92 is: 11,773,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,531.34 : 28,812,846.14 = 7,848,979.92 : x
  2. Step 2: Convert to fraction form
    19,208,531.34/28,812,846.14 = 7,848,979.92/x
  3. Step 3: Cross multiply
    19,208,531.34x = 28,812,846.14 × 7,848,979.92
  4. Step 4: Simplify right side
    19,208,531.34x = 226,151,450,790,909.50
  5. Step 5: Solve for x
    x = 226,151,450,790,909.50/19,208,531.34
  6. Step 6: Final answer
    x = 11,773,489.96

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Double scale
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1.5x scale

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.