Home / 14,590,641.43-20,136,127.13-8,064,130.69

Finding the Fourth Proportional to 14,590,641.43, 20,136,127.13 and 8,064,130.69

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Solution

The fourth proportional to 14,590,641.43, 20,136,127.13 and 8,064,130.69 is: 11,129,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,641.43 : 20,136,127.13 = 8,064,130.69 : x
  2. Step 2: Convert to fraction form
    14,590,641.43/20,136,127.13 = 8,064,130.69/x
  3. Step 3: Cross multiply
    14,590,641.43x = 20,136,127.13 × 8,064,130.69
  4. Step 4: Simplify right side
    14,590,641.43x = 162,380,360,766,774.62
  5. Step 5: Solve for x
    x = 162,380,360,766,774.62/14,590,641.43
  6. Step 6: Final answer
    x = 11,129,076.23

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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.