Home / 18,928,409.10-28,392,613.65-11,748,050.70

Finding the Fourth Proportional to 18,928,409.10, 28,392,613.65 and 11,748,050.70

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Solution

The fourth proportional to 18,928,409.10, 28,392,613.65 and 11,748,050.70 is: 17,622,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,409.10 : 28,392,613.65 = 11,748,050.70 : x
  2. Step 2: Convert to fraction form
    18,928,409.10/28,392,613.65 = 11,748,050.70/x
  3. Step 3: Cross multiply
    18,928,409.10x = 28,392,613.65 × 11,748,050.70
  4. Step 4: Simplify right side
    18,928,409.10x = 333,557,864,665,712
  5. Step 5: Solve for x
    x = 333,557,864,665,712/18,928,409.10
  6. Step 6: Final answer
    x = 17,622,076.05

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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.