Home / 28,658,837.88-39,548,152.13-15,605,810.46

Finding the Fourth Proportional to 28,658,837.88, 39,548,152.13 and 15,605,810.46

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Solution

The fourth proportional to 28,658,837.88, 39,548,152.13 and 15,605,810.46 is: 21,535,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658,837.88 : 39,548,152.13 = 15,605,810.46 : x
  2. Step 2: Convert to fraction form
    28,658,837.88/39,548,152.13 = 15,605,810.46/x
  3. Step 3: Cross multiply
    28,658,837.88x = 39,548,152.13 × 15,605,810.46
  4. Step 4: Simplify right side
    28,658,837.88x = 617,180,966,105,996.25
  5. Step 5: Solve for x
    x = 617,180,966,105,996.25/28,658,837.88
  6. Step 6: Final answer
    x = 21,535,449.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.