Home / 13,484,193.78-20,226,477.51-4,386,339

Finding the Fourth Proportional to 13,484,193.78, 20,226,477.51 and 4,386,339

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Solution

The fourth proportional to 13,484,193.78, 20,226,477.51 and 4,386,339 is: 6,579,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,193.78 : 20,226,477.51 = 4,386,339 : x
  2. Step 2: Convert to fraction form
    13,484,193.78/20,226,477.51 = 4,386,339/x
  3. Step 3: Cross multiply
    13,484,193.78x = 20,226,477.51 × 4,386,339
  4. Step 4: Simplify right side
    13,484,193.78x = 88,720,187,134,735.89
  5. Step 5: Solve for x
    x = 88,720,187,134,735.89/13,484,193.78
  6. Step 6: Final answer
    x = 6,579,569.28

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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.