Home / 12,384,824.78-18,569,878.54-4,709,030.90

Finding the Fourth Proportional to 12,384,824.78, 18,569,878.54 and 4,709,030.90

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Solution

The fourth proportional to 12,384,824.78, 18,569,878.54 and 4,709,030.90 is: 7,060,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,824.78 : 18,569,878.54 = 4,709,030.90 : x
  2. Step 2: Convert to fraction form
    12,384,824.78/18,569,878.54 = 4,709,030.90/x
  3. Step 3: Cross multiply
    12,384,824.78x = 18,569,878.54 × 4,709,030.90
  4. Step 4: Simplify right side
    12,384,824.78x = 87,446,131,854,106.89
  5. Step 5: Solve for x
    x = 87,446,131,854,106.89/12,384,824.78
  6. Step 6: Final answer
    x = 7,060,748.41

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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.