Home / 14,590,564.40-20,136,021.38-8,064,053.40

Finding the Fourth Proportional to 14,590,564.40, 20,136,021.38 and 8,064,053.40

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Solution

The fourth proportional to 14,590,564.40, 20,136,021.38 and 8,064,053.40 is: 11,128,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,564.40 : 20,136,021.38 = 8,064,053.40 : x
  2. Step 2: Convert to fraction form
    14,590,564.40/20,136,021.38 = 8,064,053.40/x
  3. Step 3: Cross multiply
    14,590,564.40x = 20,136,021.38 × 8,064,053.40
  4. Step 4: Simplify right side
    14,590,564.40x = 162,377,951,671,861.69
  5. Step 5: Solve for x
    x = 162,377,951,671,861.69/14,590,564.40
  6. Step 6: Final answer
    x = 11,128,969.88

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1.5x scale

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.