Home / 21,014,583.08-31,522,818.90-6,440,434.94

Finding the Fourth Proportional to 21,014,583.08, 31,522,818.90 and 6,440,434.94

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Solution

The fourth proportional to 21,014,583.08, 31,522,818.90 and 6,440,434.94 is: 9,660,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,583.08 : 31,522,818.90 = 6,440,434.94 : x
  2. Step 2: Convert to fraction form
    21,014,583.08/31,522,818.90 = 6,440,434.94/x
  3. Step 3: Cross multiply
    21,014,583.08x = 31,522,818.90 × 6,440,434.94
  4. Step 4: Simplify right side
    21,014,583.08x = 203,020,664,250,852.38
  5. Step 5: Solve for x
    x = 203,020,664,250,852.38/21,014,583.08
  6. Step 6: Final answer
    x = 9,660,941.81

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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.