Home / 28,645,803.37-39,531,712.67-15,593,437.45

Finding the Fourth Proportional to 28,645,803.37, 39,531,712.67 and 15,593,437.45

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Solution

The fourth proportional to 28,645,803.37, 39,531,712.67 and 15,593,437.45 is: 21,519,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,803.37 : 39,531,712.67 = 15,593,437.45 : x
  2. Step 2: Convert to fraction form
    28,645,803.37/39,531,712.67 = 15,593,437.45/x
  3. Step 3: Cross multiply
    28,645,803.37x = 39,531,712.67 × 15,593,437.45
  4. Step 4: Simplify right side
    28,645,803.37x = 616,435,288,811,017.50
  5. Step 5: Solve for x
    x = 616,435,288,811,017.50/28,645,803.37
  6. Step 6: Final answer
    x = 21,519,218.05

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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.