Home / 15,786,044.24-21,784,740.36-8,542,700.24

Finding the Fourth Proportional to 15,786,044.24, 21,784,740.36 and 8,542,700.24

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Solution

The fourth proportional to 15,786,044.24, 21,784,740.36 and 8,542,700.24 is: 11,788,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,044.24 : 21,784,740.36 = 8,542,700.24 : x
  2. Step 2: Convert to fraction form
    15,786,044.24/21,784,740.36 = 8,542,700.24/x
  3. Step 3: Cross multiply
    15,786,044.24x = 21,784,740.36 × 8,542,700.24
  4. Step 4: Simplify right side
    15,786,044.24x = 186,100,506,701,709.69
  5. Step 5: Solve for x
    x = 186,100,506,701,709.69/15,786,044.24
  6. Step 6: Final answer
    x = 11,788,925.96

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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.