Home / 14,918,512.72-20,590,807.56-9,484,943.44

Finding the Fourth Proportional to 14,918,512.72, 20,590,807.56 and 9,484,943.44

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Solution

The fourth proportional to 14,918,512.72, 20,590,807.56 and 9,484,943.44 is: 13,091,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918,512.72 : 20,590,807.56 = 9,484,943.44 : x
  2. Step 2: Convert to fraction form
    14,918,512.72/20,590,807.56 = 9,484,943.44/x
  3. Step 3: Cross multiply
    14,918,512.72x = 20,590,807.56 × 9,484,943.44
  4. Step 4: Simplify right side
    14,918,512.72x = 195,302,645,090,524.38
  5. Step 5: Solve for x
    x = 195,302,645,090,524.38/14,918,512.72
  6. Step 6: Final answer
    x = 13,091,294.61

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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.