Home / 13,011,222.99-17,955,593.28-7,210,101.69

Finding the Fourth Proportional to 13,011,222.99, 17,955,593.28 and 7,210,101.69

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Solution

The fourth proportional to 13,011,222.99, 17,955,593.28 and 7,210,101.69 is: 9,949,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,222.99 : 17,955,593.28 = 7,210,101.69 : x
  2. Step 2: Convert to fraction form
    13,011,222.99/17,955,593.28 = 7,210,101.69/x
  3. Step 3: Cross multiply
    13,011,222.99x = 17,955,593.28 × 7,210,101.69
  4. Step 4: Simplify right side
    13,011,222.99x = 129,461,653,453,080.66
  5. Step 5: Solve for x
    x = 129,461,653,453,080.66/13,011,222.99
  6. Step 6: Final answer
    x = 9,949,998.82

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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.