Home / 28,389,666.00-42,584,840.27-7,918,139.51

Finding the Fourth Proportional to 28,389,666.00, 42,584,840.27 and 7,918,139.51

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Solution

The fourth proportional to 28,389,666.00, 42,584,840.27 and 7,918,139.51 is: 11,877,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389,666.00 : 42,584,840.27 = 7,918,139.51 : x
  2. Step 2: Convert to fraction form
    28,389,666.00/42,584,840.27 = 7,918,139.51/x
  3. Step 3: Cross multiply
    28,389,666.00x = 42,584,840.27 × 7,918,139.51
  4. Step 4: Simplify right side
    28,389,666.00x = 337,192,706,205,797.31
  5. Step 5: Solve for x
    x = 337,192,706,205,797.31/28,389,666.00
  6. Step 6: Final answer
    x = 11,877,304.44

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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.