Home / 9,781,557.12-13,498,021.90-5,430,363.36

Finding the Fourth Proportional to 9,781,557.12, 13,498,021.90 and 5,430,363.36

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Solution

The fourth proportional to 9,781,557.12, 13,498,021.90 and 5,430,363.36 is: 7,493,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,557.12 : 13,498,021.90 = 5,430,363.36 : x
  2. Step 2: Convert to fraction form
    9,781,557.12/13,498,021.90 = 5,430,363.36/x
  3. Step 3: Cross multiply
    9,781,557.12x = 13,498,021.90 × 5,430,363.36
  4. Step 4: Simplify right side
    9,781,557.12x = 73,299,163,558,237.59
  5. Step 5: Solve for x
    x = 73,299,163,558,237.59/9,781,557.12
  6. Step 6: Final answer
    x = 7,493,608.91

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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.