Home / 10,572,269.80-15,858,404.70-9,312,557.80

Finding the Fourth Proportional to 10,572,269.80, 15,858,404.70 and 9,312,557.80

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Solution

The fourth proportional to 10,572,269.80, 15,858,404.70 and 9,312,557.80 is: 13,968,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572,269.80 : 15,858,404.70 = 9,312,557.80 : x
  2. Step 2: Convert to fraction form
    10,572,269.80/15,858,404.70 = 9,312,557.80/x
  3. Step 3: Cross multiply
    10,572,269.80x = 15,858,404.70 × 9,312,557.80
  4. Step 4: Simplify right side
    10,572,269.80x = 147,682,310,384,541.66
  5. Step 5: Solve for x
    x = 147,682,310,384,541.66/10,572,269.80
  6. Step 6: Final answer
    x = 13,968,836.70

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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.