Home / 9,042,989.90-12,479,467.64-4,913,102.84

Finding the Fourth Proportional to 9,042,989.90, 12,479,467.64 and 4,913,102.84

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Solution

The fourth proportional to 9,042,989.90, 12,479,467.64 and 4,913,102.84 is: 6,780,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,989.90 : 12,479,467.64 = 4,913,102.84 : x
  2. Step 2: Convert to fraction form
    9,042,989.90/12,479,467.64 = 4,913,102.84/x
  3. Step 3: Cross multiply
    9,042,989.90x = 12,479,467.64 × 4,913,102.84
  4. Step 4: Simplify right side
    9,042,989.90x = 61,312,907,903,772.10
  5. Step 5: Solve for x
    x = 61,312,907,903,772.10/9,042,989.90
  6. Step 6: Final answer
    x = 6,780,158.84

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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.