Home / 12,564,117.74-18,845,425.74-4,476,664.64

Finding the Fourth Proportional to 12,564,117.74, 18,845,425.74 and 4,476,664.64

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Solution

The fourth proportional to 12,564,117.74, 18,845,425.74 and 4,476,664.64 is: 6,714,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564,117.74 : 18,845,425.74 = 4,476,664.64 : x
  2. Step 2: Convert to fraction form
    12,564,117.74/18,845,425.74 = 4,476,664.64/x
  3. Step 3: Cross multiply
    12,564,117.74x = 18,845,425.74 × 4,476,664.64
  4. Step 4: Simplify right side
    12,564,117.74x = 84,364,651,036,003.81
  5. Step 5: Solve for x
    x = 84,364,651,036,003.81/12,564,117.74
  6. Step 6: Final answer
    x = 6,714,729.42

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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.