Home / 9,516,072.51-13,132,190.70-5,165,157.63

Finding the Fourth Proportional to 9,516,072.51, 13,132,190.70 and 5,165,157.63

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Solution

The fourth proportional to 9,516,072.51, 13,132,190.70 and 5,165,157.63 is: 7,127,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516,072.51 : 13,132,190.70 = 5,165,157.63 : x
  2. Step 2: Convert to fraction form
    9,516,072.51/13,132,190.70 = 5,165,157.63/x
  3. Step 3: Cross multiply
    9,516,072.51x = 13,132,190.70 × 5,165,157.63
  4. Step 4: Simplify right side
    9,516,072.51x = 67,829,834,992,720.04
  5. Step 5: Solve for x
    x = 67,829,834,992,720.04/9,516,072.51
  6. Step 6: Final answer
    x = 7,127,923.30

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Double scale
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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.