Home / 15,614,961.22-21,549,319.88-8,645,638.93

Finding the Fourth Proportional to 15,614,961.22, 21,549,319.88 and 8,645,638.93

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Solution

The fourth proportional to 15,614,961.22, 21,549,319.88 and 8,645,638.93 is: 11,931,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,961.22 : 21,549,319.88 = 8,645,638.93 : x
  2. Step 2: Convert to fraction form
    15,614,961.22/21,549,319.88 = 8,645,638.93/x
  3. Step 3: Cross multiply
    15,614,961.22x = 21,549,319.88 × 8,645,638.93
  4. Step 4: Simplify right side
    15,614,961.22x = 186,307,638,772,479.88
  5. Step 5: Solve for x
    x = 186,307,638,772,479.88/15,614,961.22
  6. Step 6: Final answer
    x = 11,931,354.56

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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.