Home / 18,417,220.70-27,621,118.82-5,460,341.55

Finding the Fourth Proportional to 18,417,220.70, 27,621,118.82 and 5,460,341.55

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Solution

The fourth proportional to 18,417,220.70, 27,621,118.82 and 5,460,341.55 is: 8,189,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417,220.70 : 27,621,118.82 = 5,460,341.55 : x
  2. Step 2: Convert to fraction form
    18,417,220.70/27,621,118.82 = 5,460,341.55/x
  3. Step 3: Cross multiply
    18,417,220.70x = 27,621,118.82 × 5,460,341.55
  4. Step 4: Simplify right side
    18,417,220.70x = 150,820,742,707,366.41
  5. Step 5: Solve for x
    x = 150,820,742,707,366.41/18,417,220.70
  6. Step 6: Final answer
    x = 8,189,115.24

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1.5x scale

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.