Home / 12,615,854.49-17,409,885.93-6,814,636.11

Finding the Fourth Proportional to 12,615,854.49, 17,409,885.93 and 6,814,636.11

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Solution

The fourth proportional to 12,615,854.49, 17,409,885.93 and 6,814,636.11 is: 9,404,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,854.49 : 17,409,885.93 = 6,814,636.11 : x
  2. Step 2: Convert to fraction form
    12,615,854.49/17,409,885.93 = 6,814,636.11/x
  3. Step 3: Cross multiply
    12,615,854.49x = 17,409,885.93 × 6,814,636.11
  4. Step 4: Simplify right side
    12,615,854.49x = 118,642,037,329,558.94
  5. Step 5: Solve for x
    x = 118,642,037,329,558.94/12,615,854.49
  6. Step 6: Final answer
    x = 9,404,201.47

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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.