Home / 19,800,725-29,701,111-5,423,916.74

Finding the Fourth Proportional to 19,800,725, 29,701,111 and 5,423,916.74

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Solution

The fourth proportional to 19,800,725, 29,701,111 and 5,423,916.74 is: 8,135,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800,725 : 29,701,111 = 5,423,916.74 : x
  2. Step 2: Convert to fraction form
    19,800,725/29,701,111 = 5,423,916.74/x
  3. Step 3: Cross multiply
    19,800,725x = 29,701,111 × 5,423,916.74
  4. Step 4: Simplify right side
    19,800,725x = 161,096,353,149,498.16
  5. Step 5: Solve for x
    x = 161,096,353,149,498.16/19,800,725
  6. Step 6: Final answer
    x = 8,135,881.55

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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.