Home / 13,355,102.50-18,430,042.67-7,553,759.38

Finding the Fourth Proportional to 13,355,102.50, 18,430,042.67 and 7,553,759.38

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Solution

The fourth proportional to 13,355,102.50, 18,430,042.67 and 7,553,759.38 is: 10,424,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,102.50 : 18,430,042.67 = 7,553,759.38 : x
  2. Step 2: Convert to fraction form
    13,355,102.50/18,430,042.67 = 7,553,759.38/x
  3. Step 3: Cross multiply
    13,355,102.50x = 18,430,042.67 × 7,553,759.38
  4. Step 4: Simplify right side
    13,355,102.50x = 139,216,107,654,543.94
  5. Step 5: Solve for x
    x = 139,216,107,654,543.94/13,355,102.50
  6. Step 6: Final answer
    x = 10,424,188.63

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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.