Home / 13,148,202.50-18,144,430.96-7,346,997.74

Finding the Fourth Proportional to 13,148,202.50, 18,144,430.96 and 7,346,997.74

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Solution

The fourth proportional to 13,148,202.50, 18,144,430.96 and 7,346,997.74 is: 10,138,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,202.50 : 18,144,430.96 = 7,346,997.74 : x
  2. Step 2: Convert to fraction form
    13,148,202.50/18,144,430.96 = 7,346,997.74/x
  3. Step 3: Cross multiply
    13,148,202.50x = 18,144,430.96 × 7,346,997.74
  4. Step 4: Simplify right side
    13,148,202.50x = 133,307,093,256,706.05
  5. Step 5: Solve for x
    x = 133,307,093,256,706.05/13,148,202.50
  6. Step 6: Final answer
    x = 10,138,807.43

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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.