Home / 39,916,898.60-59,851,728.30-20,785,022.60

Finding the Fourth Proportional to 39,916,898.60, 59,851,728.30 and 20,785,022.60

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Solution

The fourth proportional to 39,916,898.60, 59,851,728.30 and 20,785,022.60 is: 31,165,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916,898.60 : 59,851,728.30 = 20,785,022.60 : x
  2. Step 2: Convert to fraction form
    39,916,898.60/59,851,728.30 = 20,785,022.60/x
  3. Step 3: Cross multiply
    39,916,898.60x = 59,851,728.30 × 20,785,022.60
  4. Step 4: Simplify right side
    39,916,898.60x = 1,244,019,525,364,559.50
  5. Step 5: Solve for x
    x = 1,244,019,525,364,559.50/39,916,898.60
  6. Step 6: Final answer
    x = 31,165,235.00

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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.