Home / 12,903,310.16-17,806,427.20-7,101,967.28

Finding the Fourth Proportional to 12,903,310.16, 17,806,427.20 and 7,101,967.28

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Solution

The fourth proportional to 12,903,310.16, 17,806,427.20 and 7,101,967.28 is: 9,800,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,310.16 : 17,806,427.20 = 7,101,967.28 : x
  2. Step 2: Convert to fraction form
    12,903,310.16/17,806,427.20 = 7,101,967.28/x
  3. Step 3: Cross multiply
    12,903,310.16x = 17,806,427.20 × 7,101,967.28
  4. Step 4: Simplify right side
    12,903,310.16x = 126,460,663,348,102.02
  5. Step 5: Solve for x
    x = 126,460,663,348,102.02/12,903,310.16
  6. Step 6: Final answer
    x = 9,800,637.34

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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.