Home / 13,068,435.34-18,039,372.86-11,225,516.05

Finding the Fourth Proportional to 13,068,435.34, 18,039,372.86 and 11,225,516.05

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Solution

The fourth proportional to 13,068,435.34, 18,039,372.86 and 11,225,516.05 is: 15,495,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,435.34 : 18,039,372.86 = 11,225,516.05 : x
  2. Step 2: Convert to fraction form
    13,068,435.34/18,039,372.86 = 11,225,516.05/x
  3. Step 3: Cross multiply
    13,068,435.34x = 18,039,372.86 × 11,225,516.05
  4. Step 4: Simplify right side
    13,068,435.34x = 202,501,269,559,333.84
  5. Step 5: Solve for x
    x = 202,501,269,559,333.84/13,068,435.34
  6. Step 6: Final answer
    x = 15,495,448.71

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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.