Home / 11,817,316.70-16,321,349.14-7,943,111.81

Finding the Fourth Proportional to 11,817,316.70, 16,321,349.14 and 7,943,111.81

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Solution

The fourth proportional to 11,817,316.70, 16,321,349.14 and 7,943,111.81 is: 10,970,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,316.70 : 16,321,349.14 = 7,943,111.81 : x
  2. Step 2: Convert to fraction form
    11,817,316.70/16,321,349.14 = 7,943,111.81/x
  3. Step 3: Cross multiply
    11,817,316.70x = 16,321,349.14 × 7,943,111.81
  4. Step 4: Simplify right side
    11,817,316.70x = 129,642,301,068,807.88
  5. Step 5: Solve for x
    x = 129,642,301,068,807.88/11,817,316.70
  6. Step 6: Final answer
    x = 10,970,536.24

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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.