Home / 13,350,573.20-18,424,153.20-7,550,222.40

Finding the Fourth Proportional to 13,350,573.20, 18,424,153.20 and 7,550,222.40

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Solution

The fourth proportional to 13,350,573.20, 18,424,153.20 and 7,550,222.40 is: 10,419,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,573.20 : 18,424,153.20 = 7,550,222.40 : x
  2. Step 2: Convert to fraction form
    13,350,573.20/18,424,153.20 = 7,550,222.40/x
  3. Step 3: Cross multiply
    13,350,573.20x = 18,424,153.20 × 7,550,222.40
  4. Step 4: Simplify right side
    13,350,573.20x = 139,106,454,191,671.69
  5. Step 5: Solve for x
    x = 139,106,454,191,671.69/13,350,573.20
  6. Step 6: Final answer
    x = 10,419,511.74

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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.