Home / 13,011,419.46-17,955,865.17-7,210,298.10

Finding the Fourth Proportional to 13,011,419.46, 17,955,865.17 and 7,210,298.10

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Solution

The fourth proportional to 13,011,419.46, 17,955,865.17 and 7,210,298.10 is: 9,950,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,419.46 : 17,955,865.17 = 7,210,298.10 : x
  2. Step 2: Convert to fraction form
    13,011,419.46/17,955,865.17 = 7,210,298.10/x
  3. Step 3: Cross multiply
    13,011,419.46x = 17,955,865.17 × 7,210,298.10
  4. Step 4: Simplify right side
    13,011,419.46x = 129,467,140,519,107.19
  5. Step 5: Solve for x
    x = 129,467,140,519,107.19/13,011,419.46
  6. Step 6: Final answer
    x = 9,950,270.29

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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.