Home / 13,609,366.60-20,390,430.30-8,814,587.80

Finding the Fourth Proportional to 13,609,366.60, 20,390,430.30 and 8,814,587.80

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Solution

The fourth proportional to 13,609,366.60, 20,390,430.30 and 8,814,587.80 is: 13,206,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,366.60 : 20,390,430.30 = 8,814,587.80 : x
  2. Step 2: Convert to fraction form
    13,609,366.60/20,390,430.30 = 8,814,587.80/x
  3. Step 3: Cross multiply
    13,609,366.60x = 20,390,430.30 × 8,814,587.80
  4. Step 4: Simplify right side
    13,609,366.60x = 179,733,238,159,130.38
  5. Step 5: Solve for x
    x = 179,733,238,159,130.38/13,609,366.60
  6. Step 6: Final answer
    x = 13,206,583.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.