Home / 12,927,957.74-17,840,702.03-7,126,947.08

Finding the Fourth Proportional to 12,927,957.74, 17,840,702.03 and 7,126,947.08

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Solution

The fourth proportional to 12,927,957.74, 17,840,702.03 and 7,126,947.08 is: 9,835,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,957.74 : 17,840,702.03 = 7,126,947.08 : x
  2. Step 2: Convert to fraction form
    12,927,957.74/17,840,702.03 = 7,126,947.08/x
  3. Step 3: Cross multiply
    12,927,957.74x = 17,840,702.03 × 7,126,947.08
  4. Step 4: Simplify right side
    12,927,957.74x = 127,149,739,169,835.08
  5. Step 5: Solve for x
    x = 127,149,739,169,835.08/12,927,957.74
  6. Step 6: Final answer
    x = 9,835,253.31

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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.