Home / 14,219,154.48-19,621,947.96-8,109,551.28

Finding the Fourth Proportional to 14,219,154.48, 19,621,947.96 and 8,109,551.28

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Solution

The fourth proportional to 14,219,154.48, 19,621,947.96 and 8,109,551.28 is: 11,190,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,154.48 : 19,621,947.96 = 8,109,551.28 : x
  2. Step 2: Convert to fraction form
    14,219,154.48/19,621,947.96 = 8,109,551.28/x
  3. Step 3: Cross multiply
    14,219,154.48x = 19,621,947.96 × 8,109,551.28
  4. Step 4: Simplify right side
    14,219,154.48x = 159,125,193,195,111.41
  5. Step 5: Solve for x
    x = 159,125,193,195,111.41/14,219,154.48
  6. Step 6: Final answer
    x = 11,190,904.03

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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.