Home / 11,905,213.86-16,428,719.46-7,010,642.28

Finding the Fourth Proportional to 11,905,213.86, 16,428,719.46 and 7,010,642.28

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Solution

The fourth proportional to 11,905,213.86, 16,428,719.46 and 7,010,642.28 is: 9,674,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905,213.86 : 16,428,719.46 = 7,010,642.28 : x
  2. Step 2: Convert to fraction form
    11,905,213.86/16,428,719.46 = 7,010,642.28/x
  3. Step 3: Cross multiply
    11,905,213.86x = 16,428,719.46 × 7,010,642.28
  4. Step 4: Simplify right side
    11,905,213.86x = 115,175,875,252,534.78
  5. Step 5: Solve for x
    x = 115,175,875,252,534.78/11,905,213.86
  6. Step 6: Final answer
    x = 9,674,406.24

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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.