Home / 10,970,224.86-15,133,885.74-7,103,991.72

Finding the Fourth Proportional to 10,970,224.86, 15,133,885.74 and 7,103,991.72

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Solution

The fourth proportional to 10,970,224.86, 15,133,885.74 and 7,103,991.72 is: 9,800,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970,224.86 : 15,133,885.74 = 7,103,991.72 : x
  2. Step 2: Convert to fraction form
    10,970,224.86/15,133,885.74 = 7,103,991.72/x
  3. Step 3: Cross multiply
    10,970,224.86x = 15,133,885.74 × 7,103,991.72
  4. Step 4: Simplify right side
    10,970,224.86x = 107,510,998,988,386.08
  5. Step 5: Solve for x
    x = 107,510,998,988,386.08/10,970,224.86
  6. Step 6: Final answer
    x = 9,800,254.81

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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.