Home / 13,005,698.48-17,947,861.20-7,125,541.40

Finding the Fourth Proportional to 13,005,698.48, 17,947,861.20 and 7,125,541.40

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Solution

The fourth proportional to 13,005,698.48, 17,947,861.20 and 7,125,541.40 is: 9,833,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,698.48 : 17,947,861.20 = 7,125,541.40 : x
  2. Step 2: Convert to fraction form
    13,005,698.48/17,947,861.20 = 7,125,541.40/x
  3. Step 3: Cross multiply
    13,005,698.48x = 17,947,861.20 × 7,125,541.40
  4. Step 4: Simplify right side
    13,005,698.48x = 127,888,228,022,053.69
  5. Step 5: Solve for x
    x = 127,888,228,022,053.69/13,005,698.48
  6. Step 6: Final answer
    x = 9,833,245.65

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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.