Home / 13,148,201.50-18,144,429.58-7,346,996.74

Finding the Fourth Proportional to 13,148,201.50, 18,144,429.58 and 7,346,996.74

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Solution

The fourth proportional to 13,148,201.50, 18,144,429.58 and 7,346,996.74 is: 10,138,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,201.50 : 18,144,429.58 = 7,346,996.74 : x
  2. Step 2: Convert to fraction form
    13,148,201.50/18,144,429.58 = 7,346,996.74/x
  3. Step 3: Cross multiply
    13,148,201.50x = 18,144,429.58 × 7,346,996.74
  4. Step 4: Simplify right side
    13,148,201.50x = 133,307,064,973,419.56
  5. Step 5: Solve for x
    x = 133,307,064,973,419.56/13,148,201.50
  6. Step 6: Final answer
    x = 10,138,806.05

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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.