Home / 19,156,646.09-28,717,884.89-7,023,282.18

Finding the Fourth Proportional to 19,156,646.09, 28,717,884.89 and 7,023,282.18

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Solution

The fourth proportional to 19,156,646.09, 28,717,884.89 and 7,023,282.18 is: 10,528,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,646.09 : 28,717,884.89 = 7,023,282.18 : x
  2. Step 2: Convert to fraction form
    19,156,646.09/28,717,884.89 = 7,023,282.18/x
  3. Step 3: Cross multiply
    19,156,646.09x = 28,717,884.89 × 7,023,282.18
  4. Step 4: Simplify right side
    19,156,646.09x = 201,693,809,195,228.25
  5. Step 5: Solve for x
    x = 201,693,809,195,228.25/19,156,646.09
  6. Step 6: Final answer
    x = 10,528,659.78

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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.