Home / 13,624,662-18,802,487.60-7,430,047.74

Finding the Fourth Proportional to 13,624,662, 18,802,487.60 and 7,430,047.74

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Solution

The fourth proportional to 13,624,662, 18,802,487.60 and 7,430,047.74 is: 10,253,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,662 : 18,802,487.60 = 7,430,047.74 : x
  2. Step 2: Convert to fraction form
    13,624,662/18,802,487.60 = 7,430,047.74/x
  3. Step 3: Cross multiply
    13,624,662x = 18,802,487.60 × 7,430,047.74
  4. Step 4: Simplify right side
    13,624,662x = 139,703,380,461,607.78
  5. Step 5: Solve for x
    x = 139,703,380,461,607.78/13,624,662
  6. Step 6: Final answer
    x = 10,253,713.48

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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.