Home / 13,502,285.55-18,633,176.64-7,307,337.75

Finding the Fourth Proportional to 13,502,285.55, 18,633,176.64 and 7,307,337.75

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Solution

The fourth proportional to 13,502,285.55, 18,633,176.64 and 7,307,337.75 is: 10,084,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,285.55 : 18,633,176.64 = 7,307,337.75 : x
  2. Step 2: Convert to fraction form
    13,502,285.55/18,633,176.64 = 7,307,337.75/x
  3. Step 3: Cross multiply
    13,502,285.55x = 18,633,176.64 × 7,307,337.75
  4. Step 4: Simplify right side
    13,502,285.55x = 136,158,915,027,353.48
  5. Step 5: Solve for x
    x = 136,158,915,027,353.48/13,502,285.55
  6. Step 6: Final answer
    x = 10,084,138.32

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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.