Home / 12,310,182.42-18,465,248.86-11,561,068.63

Finding the Fourth Proportional to 12,310,182.42, 18,465,248.86 and 11,561,068.63

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Solution

The fourth proportional to 12,310,182.42, 18,465,248.86 and 11,561,068.63 is: 17,341,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,182.42 : 18,465,248.86 = 11,561,068.63 : x
  2. Step 2: Convert to fraction form
    12,310,182.42/18,465,248.86 = 11,561,068.63/x
  3. Step 3: Cross multiply
    12,310,182.42x = 18,465,248.86 × 11,561,068.63
  4. Step 4: Simplify right side
    12,310,182.42x = 213,478,009,282,683.94
  5. Step 5: Solve for x
    x = 213,478,009,282,683.94/12,310,182.42
  6. Step 6: Final answer
    x = 17,341,579.68

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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.