Home / 13,339,107.33-18,407,112.57-7,459,225.98

Finding the Fourth Proportional to 13,339,107.33, 18,407,112.57 and 7,459,225.98

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Solution

The fourth proportional to 13,339,107.33, 18,407,112.57 and 7,459,225.98 is: 10,293,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339,107.33 : 18,407,112.57 = 7,459,225.98 : x
  2. Step 2: Convert to fraction form
    13,339,107.33/18,407,112.57 = 7,459,225.98/x
  3. Step 3: Cross multiply
    13,339,107.33x = 18,407,112.57 × 7,459,225.98
  4. Step 4: Simplify right side
    13,339,107.33x = 137,302,812,298,928.58
  5. Step 5: Solve for x
    x = 137,302,812,298,928.58/13,339,107.33
  6. Step 6: Final answer
    x = 10,293,253.43

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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.