Home / 10,146,358.25-14,001,993.07-5,500,128.91

Finding the Fourth Proportional to 10,146,358.25, 14,001,993.07 and 5,500,128.91

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Solution

The fourth proportional to 10,146,358.25, 14,001,993.07 and 5,500,128.91 is: 7,590,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146,358.25 : 14,001,993.07 = 5,500,128.91 : x
  2. Step 2: Convert to fraction form
    10,146,358.25/14,001,993.07 = 5,500,128.91/x
  3. Step 3: Cross multiply
    10,146,358.25x = 14,001,993.07 × 5,500,128.91
  4. Step 4: Simplify right side
    10,146,358.25x = 77,012,766,881,926.66
  5. Step 5: Solve for x
    x = 77,012,766,881,926.66/10,146,358.25
  6. Step 6: Final answer
    x = 7,590,188.02

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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.