Home / 15,543,999.80-23,315,999.70-12,296,742.20

Finding the Fourth Proportional to 15,543,999.80, 23,315,999.70 and 12,296,742.20

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Solution

The fourth proportional to 15,543,999.80, 23,315,999.70 and 12,296,742.20 is: 18,445,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543,999.80 : 23,315,999.70 = 12,296,742.20 : x
  2. Step 2: Convert to fraction form
    15,543,999.80/23,315,999.70 = 12,296,742.20/x
  3. Step 3: Cross multiply
    15,543,999.80x = 23,315,999.70 × 12,296,742.20
  4. Step 4: Simplify right side
    15,543,999.80x = 286,710,837,446,177.31
  5. Step 5: Solve for x
    x = 286,710,837,446,177.31/15,543,999.80
  6. Step 6: Final answer
    x = 18,445,113.30

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1.5x scale

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.