Home / 14,977,128.85-20,664,869.91-10,329,428.23

Finding the Fourth Proportional to 14,977,128.85, 20,664,869.91 and 10,329,428.23

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Solution

The fourth proportional to 14,977,128.85, 20,664,869.91 and 10,329,428.23 is: 14,252,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977,128.85 : 20,664,869.91 = 10,329,428.23 : x
  2. Step 2: Convert to fraction form
    14,977,128.85/20,664,869.91 = 10,329,428.23/x
  3. Step 3: Cross multiply
    14,977,128.85x = 20,664,869.91 × 10,329,428.23
  4. Step 4: Simplify right side
    14,977,128.85x = 213,456,290,617,631.56
  5. Step 5: Solve for x
    x = 213,456,290,617,631.56/14,977,128.85
  6. Step 6: Final answer
    x = 14,252,150.25

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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.