Home / 10,572,415.20-15,858,622.80-9,375,688.80

Finding the Fourth Proportional to 10,572,415.20, 15,858,622.80 and 9,375,688.80

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Solution

The fourth proportional to 10,572,415.20, 15,858,622.80 and 9,375,688.80 is: 14,063,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,415.20 : 15,858,622.80 = 9,375,688.80 : x
  2. Step 2: Convert to fraction form
    10,572,415.20/15,858,622.80 = 9,375,688.80/x
  3. Step 3: Cross multiply
    10,572,415.20x = 15,858,622.80 × 9,375,688.80
  4. Step 4: Simplify right side
    10,572,415.20x = 148,685,512,169,384.66
  5. Step 5: Solve for x
    x = 148,685,512,169,384.66/10,572,415.20
  6. Step 6: Final answer
    x = 14,063,533.20

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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.