Home / 42,202,443.93-63,294,808.39-11,903,221.05

Finding the Fourth Proportional to 42,202,443.93, 63,294,808.39 and 11,903,221.05

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Solution

The fourth proportional to 42,202,443.93, 63,294,808.39 and 11,903,221.05 is: 17,852,333.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,202,443.93 : 63,294,808.39 = 11,903,221.05 : x
  2. Step 2: Convert to fraction form
    42,202,443.93/63,294,808.39 = 11,903,221.05/x
  3. Step 3: Cross multiply
    42,202,443.93x = 63,294,808.39 × 11,903,221.05
  4. Step 4: Simplify right side
    42,202,443.93x = 753,412,095,316,451.12
  5. Step 5: Solve for x
    x = 753,412,095,316,451.12/42,202,443.93
  6. Step 6: Final answer
    x = 17,852,333.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.