Home / 12,166,802.02-16,789,038.78-7,271,049.70

Finding the Fourth Proportional to 12,166,802.02, 16,789,038.78 and 7,271,049.70

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Solution

The fourth proportional to 12,166,802.02, 16,789,038.78 and 7,271,049.70 is: 10,033,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,802.02 : 16,789,038.78 = 7,271,049.70 : x
  2. Step 2: Convert to fraction form
    12,166,802.02/16,789,038.78 = 7,271,049.70/x
  3. Step 3: Cross multiply
    12,166,802.02x = 16,789,038.78 × 7,271,049.70
  4. Step 4: Simplify right side
    12,166,802.02x = 122,073,935,384,607.38
  5. Step 5: Solve for x
    x = 122,073,935,384,607.38/12,166,802.02
  6. Step 6: Final answer
    x = 10,033,362.52

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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.