Home / 20,453,435.19-30,685,024.28-7,674,050.61

Finding the Fourth Proportional to 20,453,435.19, 30,685,024.28 and 7,674,050.61

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Solution

The fourth proportional to 20,453,435.19, 30,685,024.28 and 7,674,050.61 is: 11,512,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,435.19 : 30,685,024.28 = 7,674,050.61 : x
  2. Step 2: Convert to fraction form
    20,453,435.19/30,685,024.28 = 7,674,050.61/x
  3. Step 3: Cross multiply
    20,453,435.19x = 30,685,024.28 × 7,674,050.61
  4. Step 4: Simplify right side
    20,453,435.19x = 235,478,429,255,428.56
  5. Step 5: Solve for x
    x = 235,478,429,255,428.56/20,453,435.19
  6. Step 6: Final answer
    x = 11,512,903.68

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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.