Home / 15,044,624.11-20,762,176.56-8,429,269.63

Finding the Fourth Proportional to 15,044,624.11, 20,762,176.56 and 8,429,269.63

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Solution

The fourth proportional to 15,044,624.11, 20,762,176.56 and 8,429,269.63 is: 11,632,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044,624.11 : 20,762,176.56 = 8,429,269.63 : x
  2. Step 2: Convert to fraction form
    15,044,624.11/20,762,176.56 = 8,429,269.63/x
  3. Step 3: Cross multiply
    15,044,624.11x = 20,762,176.56 × 8,429,269.63
  4. Step 4: Simplify right side
    15,044,624.11x = 175,009,984,329,905.88
  5. Step 5: Solve for x
    x = 175,009,984,329,905.88/15,044,624.11
  6. Step 6: Final answer
    x = 11,632,725.62

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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.