Home / 28,811,869.19-43,217,877.59-11,772,542.12

Finding the Fourth Proportional to 28,811,869.19, 43,217,877.59 and 11,772,542.12

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Solution

The fourth proportional to 28,811,869.19, 43,217,877.59 and 11,772,542.12 is: 17,658,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,869.19 : 43,217,877.59 = 11,772,542.12 : x
  2. Step 2: Convert to fraction form
    28,811,869.19/43,217,877.59 = 11,772,542.12/x
  3. Step 3: Cross multiply
    28,811,869.19x = 43,217,877.59 × 11,772,542.12
  4. Step 4: Simplify right side
    28,811,869.19x = 508,784,284,206,416.38
  5. Step 5: Solve for x
    x = 508,784,284,206,416.38/28,811,869.19
  6. Step 6: Final answer
    x = 17,658,843.34

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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.