Home / 20,736,851.40-31,105,277.10-6,362,137.80

Finding the Fourth Proportional to 20,736,851.40, 31,105,277.10 and 6,362,137.80

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Solution

The fourth proportional to 20,736,851.40, 31,105,277.10 and 6,362,137.80 is: 9,543,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,851.40 : 31,105,277.10 = 6,362,137.80 : x
  2. Step 2: Convert to fraction form
    20,736,851.40/31,105,277.10 = 6,362,137.80/x
  3. Step 3: Cross multiply
    20,736,851.40x = 31,105,277.10 × 6,362,137.80
  4. Step 4: Simplify right side
    20,736,851.40x = 197,896,059,217,384.38
  5. Step 5: Solve for x
    x = 197,896,059,217,384.38/20,736,851.40
  6. Step 6: Final answer
    x = 9,543,206.70

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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.