Home / 13,011,200.69-17,955,562.44-7,210,079.30

Finding the Fourth Proportional to 13,011,200.69, 17,955,562.44 and 7,210,079.30

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Solution

The fourth proportional to 13,011,200.69, 17,955,562.44 and 7,210,079.30 is: 9,949,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,200.69 : 17,955,562.44 = 7,210,079.30 : x
  2. Step 2: Convert to fraction form
    13,011,200.69/17,955,562.44 = 7,210,079.30/x
  3. Step 3: Cross multiply
    13,011,200.69x = 17,955,562.44 × 7,210,079.30
  4. Step 4: Simplify right side
    13,011,200.69x = 129,461,028,978,723.69
  5. Step 5: Solve for x
    x = 129,461,028,978,723.69/13,011,200.69
  6. Step 6: Final answer
    x = 9,949,967.89

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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.