Home / 13,349,389.80-18,731,661-13,349,389.80

Finding the Fourth Proportional to 13,349,389.80, 18,731,661 and 13,349,389.80

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Solution

The fourth proportional to 13,349,389.80, 18,731,661 and 13,349,389.80 is: 18,731,661

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,389.80 : 18,731,661 = 13,349,389.80 : x
  2. Step 2: Convert to fraction form
    13,349,389.80/18,731,661 = 13,349,389.80/x
  3. Step 3: Cross multiply
    13,349,389.80x = 18,731,661 × 13,349,389.80
  4. Step 4: Simplify right side
    13,349,389.80x = 250,056,244,290,457.81
  5. Step 5: Solve for x
    x = 250,056,244,290,457.81/13,349,389.80
  6. Step 6: Final answer
    x = 18,731,661

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.