Home / 12,563,710.40-18,823,447.20-10,307,633.60

Finding the Fourth Proportional to 12,563,710.40, 18,823,447.20 and 10,307,633.60

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Solution

The fourth proportional to 12,563,710.40, 18,823,447.20 and 10,307,633.60 is: 15,443,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,710.40 : 18,823,447.20 = 10,307,633.60 : x
  2. Step 2: Convert to fraction form
    12,563,710.40/18,823,447.20 = 10,307,633.60/x
  3. Step 3: Cross multiply
    12,563,710.40x = 18,823,447.20 × 10,307,633.60
  4. Step 4: Simplify right side
    12,563,710.40x = 194,025,196,826,545.91
  5. Step 5: Solve for x
    x = 194,025,196,826,545.91/12,563,710.40
  6. Step 6: Final answer
    x = 15,443,303.82

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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.