Home / 8,839,392.90-12,198,239.70-4,971,916.68

Finding the Fourth Proportional to 8,839,392.90, 12,198,239.70 and 4,971,916.68

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Solution

The fourth proportional to 8,839,392.90, 12,198,239.70 and 4,971,916.68 is: 6,861,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,392.90 : 12,198,239.70 = 4,971,916.68 : x
  2. Step 2: Convert to fraction form
    8,839,392.90/12,198,239.70 = 4,971,916.68/x
  3. Step 3: Cross multiply
    8,839,392.90x = 12,198,239.70 × 4,971,916.68
  4. Step 4: Simplify right side
    8,839,392.90x = 60,648,631,431,068.19
  5. Step 5: Solve for x
    x = 60,648,631,431,068.19/8,839,392.90
  6. Step 6: Final answer
    x = 6,861,176.11

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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.