Home / 18,122,315.92-25,003,166.88-10,280,535.28

Finding the Fourth Proportional to 18,122,315.92, 25,003,166.88 and 10,280,535.28

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Solution

The fourth proportional to 18,122,315.92, 25,003,166.88 and 10,280,535.28 is: 14,183,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,315.92 : 25,003,166.88 = 10,280,535.28 : x
  2. Step 2: Convert to fraction form
    18,122,315.92/25,003,166.88 = 10,280,535.28/x
  3. Step 3: Cross multiply
    18,122,315.92x = 25,003,166.88 × 10,280,535.28
  4. Step 4: Simplify right side
    18,122,315.92x = 257,045,939,221,567.50
  5. Step 5: Solve for x
    x = 257,045,939,221,567.50/18,122,315.92
  6. Step 6: Final answer
    x = 14,183,945.38

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1.5x scale

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.