Home / 11,338,639.16-15,646,871.29-6,693,920.34

Finding the Fourth Proportional to 11,338,639.16, 15,646,871.29 and 6,693,920.34

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Solution

The fourth proportional to 11,338,639.16, 15,646,871.29 and 6,693,920.34 is: 9,237,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338,639.16 : 15,646,871.29 = 6,693,920.34 : x
  2. Step 2: Convert to fraction form
    11,338,639.16/15,646,871.29 = 6,693,920.34/x
  3. Step 3: Cross multiply
    11,338,639.16x = 15,646,871.29 × 6,693,920.34
  4. Step 4: Simplify right side
    11,338,639.16x = 104,738,909,985,493.03
  5. Step 5: Solve for x
    x = 104,738,909,985,493.03/11,338,639.16
  6. Step 6: Final answer
    x = 9,237,343.96

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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.