Home / 21,203,221.40-31,804,832.10-14,484,757.40

Finding the Fourth Proportional to 21,203,221.40, 31,804,832.10 and 14,484,757.40

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Solution

The fourth proportional to 21,203,221.40, 31,804,832.10 and 14,484,757.40 is: 21,727,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203,221.40 : 31,804,832.10 = 14,484,757.40 : x
  2. Step 2: Convert to fraction form
    21,203,221.40/31,804,832.10 = 14,484,757.40/x
  3. Step 3: Cross multiply
    21,203,221.40x = 31,804,832.10 × 14,484,757.40
  4. Step 4: Simplify right side
    21,203,221.40x = 460,685,277,116,232.56
  5. Step 5: Solve for x
    x = 460,685,277,116,232.56/21,203,221.40
  6. Step 6: Final answer
    x = 21,727,136.10

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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.