Home / 13,496,708-18,625,457.04-7,385,136.50

Finding the Fourth Proportional to 13,496,708, 18,625,457.04 and 7,385,136.50

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Solution

The fourth proportional to 13,496,708, 18,625,457.04 and 7,385,136.50 is: 10,191,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496,708 : 18,625,457.04 = 7,385,136.50 : x
  2. Step 2: Convert to fraction form
    13,496,708/18,625,457.04 = 7,385,136.50/x
  3. Step 3: Cross multiply
    13,496,708x = 18,625,457.04 × 7,385,136.50
  4. Step 4: Simplify right side
    13,496,708x = 137,551,542,615,285.95
  5. Step 5: Solve for x
    x = 137,551,542,615,285.95/13,496,708
  6. Step 6: Final answer
    x = 10,191,488.37

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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.