Home / 30,501,053.80-45,751,580.70-10,306,004.20

Finding the Fourth Proportional to 30,501,053.80, 45,751,580.70 and 10,306,004.20

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Solution

The fourth proportional to 30,501,053.80, 45,751,580.70 and 10,306,004.20 is: 15,459,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,053.80 : 45,751,580.70 = 10,306,004.20 : x
  2. Step 2: Convert to fraction form
    30,501,053.80/45,751,580.70 = 10,306,004.20/x
  3. Step 3: Cross multiply
    30,501,053.80x = 45,751,580.70 × 10,306,004.20
  4. Step 4: Simplify right side
    30,501,053.80x = 471,515,982,850,838.94
  5. Step 5: Solve for x
    x = 471,515,982,850,838.94/30,501,053.80
  6. Step 6: Final answer
    x = 15,459,006.30

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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.