Home / 13,342,059.72-18,412,058.16-7,230,488.22

Finding the Fourth Proportional to 13,342,059.72, 18,412,058.16 and 7,230,488.22

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Solution

The fourth proportional to 13,342,059.72, 18,412,058.16 and 7,230,488.22 is: 9,978,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,059.72 : 18,412,058.16 = 7,230,488.22 : x
  2. Step 2: Convert to fraction form
    13,342,059.72/18,412,058.16 = 7,230,488.22/x
  3. Step 3: Cross multiply
    13,342,059.72x = 18,412,058.16 × 7,230,488.22
  4. Step 4: Simplify right side
    13,342,059.72x = 133,128,169,631,834.88
  5. Step 5: Solve for x
    x = 133,128,169,631,834.88/13,342,059.72
  6. Step 6: Final answer
    x = 9,978,082.28

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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.