Home / 39,889,425.60-59,836,106.70-20,757,549.60

Finding the Fourth Proportional to 39,889,425.60, 59,836,106.70 and 20,757,549.60

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Solution

The fourth proportional to 39,889,425.60, 59,836,106.70 and 20,757,549.60 is: 31,137,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889,425.60 : 59,836,106.70 = 20,757,549.60 : x
  2. Step 2: Convert to fraction form
    39,889,425.60/59,836,106.70 = 20,757,549.60/x
  3. Step 3: Cross multiply
    39,889,425.60x = 59,836,106.70 × 20,757,549.60
  4. Step 4: Simplify right side
    39,889,425.60x = 1,242,050,952,696,142.50
  5. Step 5: Solve for x
    x = 1,242,050,952,696,142.50/39,889,425.60
  6. Step 6: Final answer
    x = 31,137,348.66

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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.