Home / 13,762,432.12-18,992,224.91-7,567,878.32

Finding the Fourth Proportional to 13,762,432.12, 18,992,224.91 and 7,567,878.32

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Solution

The fourth proportional to 13,762,432.12, 18,992,224.91 and 7,567,878.32 is: 10,443,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,432.12 : 18,992,224.91 = 7,567,878.32 : x
  2. Step 2: Convert to fraction form
    13,762,432.12/18,992,224.91 = 7,567,878.32/x
  3. Step 3: Cross multiply
    13,762,432.12x = 18,992,224.91 × 7,567,878.32
  4. Step 4: Simplify right side
    13,762,432.12x = 143,730,847,107,113.56
  5. Step 5: Solve for x
    x = 143,730,847,107,113.56/13,762,432.12
  6. Step 6: Final answer
    x = 10,443,709.80

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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.