Home / 12,615,818-17,409,835.56-6,814,599.62

Finding the Fourth Proportional to 12,615,818, 17,409,835.56 and 6,814,599.62

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Solution

The fourth proportional to 12,615,818, 17,409,835.56 and 6,814,599.62 is: 9,404,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,818 : 17,409,835.56 = 6,814,599.62 : x
  2. Step 2: Convert to fraction form
    12,615,818/17,409,835.56 = 6,814,599.62/x
  3. Step 3: Cross multiply
    12,615,818x = 17,409,835.56 × 6,814,599.62
  4. Step 4: Simplify right side
    12,615,818x = 118,641,058,791,438.48
  5. Step 5: Solve for x
    x = 118,641,058,791,438.48/12,615,818
  6. Step 6: Final answer
    x = 9,404,151.11

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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.