Home / 13,350,523.55-18,424,084.76-7,550,172.68

Finding the Fourth Proportional to 13,350,523.55, 18,424,084.76 and 7,550,172.68

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Solution

The fourth proportional to 13,350,523.55, 18,424,084.76 and 7,550,172.68 is: 10,419,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,523.55 : 18,424,084.76 = 7,550,172.68 : x
  2. Step 2: Convert to fraction form
    13,350,523.55/18,424,084.76 = 7,550,172.68/x
  3. Step 3: Cross multiply
    13,350,523.55x = 18,424,084.76 × 7,550,172.68
  4. Step 4: Simplify right side
    13,350,523.55x = 139,105,021,279,085.06
  5. Step 5: Solve for x
    x = 139,105,021,279,085.06/13,350,523.55
  6. Step 6: Final answer
    x = 10,419,443.16

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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.