Home / 20,736,064.10-31,104,096.16-18,300,620.90

Finding the Fourth Proportional to 20,736,064.10, 31,104,096.16 and 18,300,620.90

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Solution

The fourth proportional to 20,736,064.10, 31,104,096.16 and 18,300,620.90 is: 27,450,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,064.10 : 31,104,096.16 = 18,300,620.90 : x
  2. Step 2: Convert to fraction form
    20,736,064.10/31,104,096.16 = 18,300,620.90/x
  3. Step 3: Cross multiply
    20,736,064.10x = 31,104,096.16 × 18,300,620.90
  4. Step 4: Simplify right side
    20,736,064.10x = 569,224,272,261,305.75
  5. Step 5: Solve for x
    x = 569,224,272,261,305.75/20,736,064.10
  6. Step 6: Final answer
    x = 27,450,931.36

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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.