Home / 11,426,621.37-17,129,842.76-8,742,927.36

Finding the Fourth Proportional to 11,426,621.37, 17,129,842.76 and 8,742,927.36

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Solution

The fourth proportional to 11,426,621.37, 17,129,842.76 and 8,742,927.36 is: 13,106,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426,621.37 : 17,129,842.76 = 8,742,927.36 : x
  2. Step 2: Convert to fraction form
    11,426,621.37/17,129,842.76 = 8,742,927.36/x
  3. Step 3: Cross multiply
    11,426,621.37x = 17,129,842.76 × 8,742,927.36
  4. Step 4: Simplify right side
    11,426,621.37x = 149,764,970,938,901.91
  5. Step 5: Solve for x
    x = 149,764,970,938,901.91/11,426,621.37
  6. Step 6: Final answer
    x = 13,106,671.35

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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.