Home / 13,428,176.64-18,530,886.42-7,316,605.14

Finding the Fourth Proportional to 13,428,176.64, 18,530,886.42 and 7,316,605.14

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Solution

The fourth proportional to 13,428,176.64, 18,530,886.42 and 7,316,605.14 is: 10,096,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,176.64 : 18,530,886.42 = 7,316,605.14 : x
  2. Step 2: Convert to fraction form
    13,428,176.64/18,530,886.42 = 7,316,605.14/x
  3. Step 3: Cross multiply
    13,428,176.64x = 18,530,886.42 × 7,316,605.14
  4. Step 4: Simplify right side
    13,428,176.64x = 135,583,178,829,328.20
  5. Step 5: Solve for x
    x = 135,583,178,829,328.20/13,428,176.64
  6. Step 6: Final answer
    x = 10,096,916.54

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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.