Home / 11,423,639.28-17,126,487.18-7,818,476.37

Finding the Fourth Proportional to 11,423,639.28, 17,126,487.18 and 7,818,476.37

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Solution

The fourth proportional to 11,423,639.28, 17,126,487.18 and 7,818,476.37 is: 11,721,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423,639.28 : 17,126,487.18 = 7,818,476.37 : x
  2. Step 2: Convert to fraction form
    11,423,639.28/17,126,487.18 = 7,818,476.37/x
  3. Step 3: Cross multiply
    11,423,639.28x = 17,126,487.18 × 7,818,476.37
  4. Step 4: Simplify right side
    11,423,639.28x = 133,903,035,317,937.94
  5. Step 5: Solve for x
    x = 133,903,035,317,937.94/11,423,639.28
  6. Step 6: Final answer
    x = 11,721,574.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.