Home / 13,899,698.65-20,831,389.87-7,751,434.96

Finding the Fourth Proportional to 13,899,698.65, 20,831,389.87 and 7,751,434.96

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Solution

The fourth proportional to 13,899,698.65, 20,831,389.87 and 7,751,434.96 is: 11,617,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,698.65 : 20,831,389.87 = 7,751,434.96 : x
  2. Step 2: Convert to fraction form
    13,899,698.65/20,831,389.87 = 7,751,434.96/x
  3. Step 3: Cross multiply
    13,899,698.65x = 20,831,389.87 × 7,751,434.96
  4. Step 4: Simplify right side
    13,899,698.65x = 161,473,163,703,707.88
  5. Step 5: Solve for x
    x = 161,473,163,703,707.88/13,899,698.65
  6. Step 6: Final answer
    x = 11,617,026.22

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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.