Home / 11,909,491.40-17,864,237.10-6,870,643.40

Finding the Fourth Proportional to 11,909,491.40, 17,864,237.10 and 6,870,643.40

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Solution

The fourth proportional to 11,909,491.40, 17,864,237.10 and 6,870,643.40 is: 10,305,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,491.40 : 17,864,237.10 = 6,870,643.40 : x
  2. Step 2: Convert to fraction form
    11,909,491.40/17,864,237.10 = 6,870,643.40/x
  3. Step 3: Cross multiply
    11,909,491.40x = 17,864,237.10 × 6,870,643.40
  4. Step 4: Simplify right side
    11,909,491.40x = 122,738,802,727,150.16
  5. Step 5: Solve for x
    x = 122,738,802,727,150.16/11,909,491.40
  6. Step 6: Final answer
    x = 10,305,965.10

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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.