Home / 12,492,532.92-18,740,663.70-3,973,147.32

Finding the Fourth Proportional to 12,492,532.92, 18,740,663.70 and 3,973,147.32

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Solution

The fourth proportional to 12,492,532.92, 18,740,663.70 and 3,973,147.32 is: 5,960,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,532.92 : 18,740,663.70 = 3,973,147.32 : x
  2. Step 2: Convert to fraction form
    12,492,532.92/18,740,663.70 = 3,973,147.32/x
  3. Step 3: Cross multiply
    12,492,532.92x = 18,740,663.70 × 3,973,147.32
  4. Step 4: Simplify right side
    12,492,532.92x = 74,459,417,754,676.28
  5. Step 5: Solve for x
    x = 74,459,417,754,676.28/12,492,532.92
  6. Step 6: Final answer
    x = 5,960,313.91

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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.