Home / 22,528,999.83-31,090,631.09-12,740,907.72

Finding the Fourth Proportional to 22,528,999.83, 31,090,631.09 and 12,740,907.72

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Solution

The fourth proportional to 22,528,999.83, 31,090,631.09 and 12,740,907.72 is: 17,582,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528,999.83 : 31,090,631.09 = 12,740,907.72 : x
  2. Step 2: Convert to fraction form
    22,528,999.83/31,090,631.09 = 12,740,907.72/x
  3. Step 3: Cross multiply
    22,528,999.83x = 31,090,631.09 × 12,740,907.72
  4. Step 4: Simplify right side
    22,528,999.83x = 396,122,861,727,138.38
  5. Step 5: Solve for x
    x = 396,122,861,727,138.38/22,528,999.83
  6. Step 6: Final answer
    x = 17,582,798.38

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1.5x scale

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.