Home / 14,136,188.28-19,507,420.92-8,638,762.80

Finding the Fourth Proportional to 14,136,188.28, 19,507,420.92 and 8,638,762.80

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Solution

The fourth proportional to 14,136,188.28, 19,507,420.92 and 8,638,762.80 is: 11,921,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136,188.28 : 19,507,420.92 = 8,638,762.80 : x
  2. Step 2: Convert to fraction form
    14,136,188.28/19,507,420.92 = 8,638,762.80/x
  3. Step 3: Cross multiply
    14,136,188.28x = 19,507,420.92 × 8,638,762.80
  4. Step 4: Simplify right side
    14,136,188.28x = 168,519,982,167,637.81
  5. Step 5: Solve for x
    x = 168,519,982,167,637.81/14,136,188.28
  6. Step 6: Final answer
    x = 11,921,175.56

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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.