Home / 12,693,905.00-17,518,091.17-7,112,199.66

Finding the Fourth Proportional to 12,693,905.00, 17,518,091.17 and 7,112,199.66

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Solution

The fourth proportional to 12,693,905.00, 17,518,091.17 and 7,112,199.66 is: 9,815,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,905.00 : 17,518,091.17 = 7,112,199.66 : x
  2. Step 2: Convert to fraction form
    12,693,905.00/17,518,091.17 = 7,112,199.66/x
  3. Step 3: Cross multiply
    12,693,905.00x = 17,518,091.17 × 7,112,199.66
  4. Step 4: Simplify right side
    12,693,905.00x = 124,592,161,975,532.56
  5. Step 5: Solve for x
    x = 124,592,161,975,532.56/12,693,905.00
  6. Step 6: Final answer
    x = 9,815,116.94

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1.5x scale

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.