Home / 12,621,188.66-17,417,239.61-6,819,970.23

Finding the Fourth Proportional to 12,621,188.66, 17,417,239.61 and 6,819,970.23

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Solution

The fourth proportional to 12,621,188.66, 17,417,239.61 and 6,819,970.23 is: 9,411,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,188.66 : 17,417,239.61 = 6,819,970.23 : x
  2. Step 2: Convert to fraction form
    12,621,188.66/17,417,239.61 = 6,819,970.23/x
  3. Step 3: Cross multiply
    12,621,188.66x = 17,417,239.61 × 6,819,970.23
  4. Step 4: Simplify right side
    12,621,188.66x = 118,785,055,594,876.97
  5. Step 5: Solve for x
    x = 118,785,055,594,876.97/12,621,188.66
  6. Step 6: Final answer
    x = 9,411,558.52

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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.