Home / 12,615,897.81-17,409,946.59-6,814,682.11

Finding the Fourth Proportional to 12,615,897.81, 17,409,946.59 and 6,814,682.11

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Solution

The fourth proportional to 12,615,897.81, 17,409,946.59 and 6,814,682.11 is: 9,404,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,897.81 : 17,409,946.59 = 6,814,682.11 : x
  2. Step 2: Convert to fraction form
    12,615,897.81/17,409,946.59 = 6,814,682.11/x
  3. Step 3: Cross multiply
    12,615,897.81x = 17,409,946.59 × 6,814,682.11
  4. Step 4: Simplify right side
    12,615,897.81x = 118,643,251,562,928.52
  5. Step 5: Solve for x
    x = 118,643,251,562,928.52/12,615,897.81
  6. Step 6: Final answer
    x = 9,404,265.42

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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.