Home / 12,854,669.12-17,739,749.95-7,348,556.28

Finding the Fourth Proportional to 12,854,669.12, 17,739,749.95 and 7,348,556.28

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Solution

The fourth proportional to 12,854,669.12, 17,739,749.95 and 7,348,556.28 is: 10,141,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,669.12 : 17,739,749.95 = 7,348,556.28 : x
  2. Step 2: Convert to fraction form
    12,854,669.12/17,739,749.95 = 7,348,556.28/x
  3. Step 3: Cross multiply
    12,854,669.12x = 17,739,749.95 × 7,348,556.28
  4. Step 4: Simplify right side
    12,854,669.12x = 130,361,550,900,702.19
  5. Step 5: Solve for x
    x = 130,361,550,900,702.19/12,854,669.12
  6. Step 6: Final answer
    x = 10,141,182.92

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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.