Home / 10,008,397.80-13,811,438.79-5,657,331.33

Finding the Fourth Proportional to 10,008,397.80, 13,811,438.79 and 5,657,331.33

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Solution

The fourth proportional to 10,008,397.80, 13,811,438.79 and 5,657,331.33 is: 7,807,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,397.80 : 13,811,438.79 = 5,657,331.33 : x
  2. Step 2: Convert to fraction form
    10,008,397.80/13,811,438.79 = 5,657,331.33/x
  3. Step 3: Cross multiply
    10,008,397.80x = 13,811,438.79 × 5,657,331.33
  4. Step 4: Simplify right side
    10,008,397.80x = 78,135,885,379,044.28
  5. Step 5: Solve for x
    x = 78,135,885,379,044.28/10,008,397.80
  6. Step 6: Final answer
    x = 7,807,032.35

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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.