Home / 39,889,431.10-59,836,114.95-20,757,555.10

Finding the Fourth Proportional to 39,889,431.10, 59,836,114.95 and 20,757,555.10

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Solution

The fourth proportional to 39,889,431.10, 59,836,114.95 and 20,757,555.10 is: 31,137,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889,431.10 : 59,836,114.95 = 20,757,555.10 : x
  2. Step 2: Convert to fraction form
    39,889,431.10/59,836,114.95 = 20,757,555.10/x
  3. Step 3: Cross multiply
    39,889,431.10x = 59,836,114.95 × 20,757,555.10
  4. Step 4: Simplify right side
    39,889,431.10x = 1,242,051,453,044,559
  5. Step 5: Solve for x
    x = 1,242,051,453,044,559/39,889,431.10
  6. Step 6: Final answer
    x = 31,137,356.91

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Double scale
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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.