Home / 15,708,634.92-21,678,045.72-8,833,056.84

Finding the Fourth Proportional to 15,708,634.92, 21,678,045.72 and 8,833,056.84

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Solution

The fourth proportional to 15,708,634.92, 21,678,045.72 and 8,833,056.84 is: 12,189,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708,634.92 : 21,678,045.72 = 8,833,056.84 : x
  2. Step 2: Convert to fraction form
    15,708,634.92/21,678,045.72 = 8,833,056.84/x
  3. Step 3: Cross multiply
    15,708,634.92x = 21,678,045.72 × 8,833,056.84
  4. Step 4: Simplify right side
    15,708,634.92x = 191,483,410,024,878.72
  5. Step 5: Solve for x
    x = 191,483,410,024,878.72/15,708,634.92
  6. Step 6: Final answer
    x = 12,189,691.27

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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.