Home / 14,129,782.60-21,204,005.10-8,064,502.60

Finding the Fourth Proportional to 14,129,782.60, 21,204,005.10 and 8,064,502.60

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Solution

The fourth proportional to 14,129,782.60, 21,204,005.10 and 8,064,502.60 is: 12,102,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,782.60 : 21,204,005.10 = 8,064,502.60 : x
  2. Step 2: Convert to fraction form
    14,129,782.60/21,204,005.10 = 8,064,502.60/x
  3. Step 3: Cross multiply
    14,129,782.60x = 21,204,005.10 × 8,064,502.60
  4. Step 4: Simplify right side
    14,129,782.60x = 170,999,754,259,363.25
  5. Step 5: Solve for x
    x = 170,999,754,259,363.25/14,129,782.60
  6. Step 6: Final answer
    x = 12,102,079.64

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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.