Home / 13,430,809.20-20,146,213.80-4,908,313.20

Finding the Fourth Proportional to 13,430,809.20, 20,146,213.80 and 4,908,313.20

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Solution

The fourth proportional to 13,430,809.20, 20,146,213.80 and 4,908,313.20 is: 7,362,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,809.20 : 20,146,213.80 = 4,908,313.20 : x
  2. Step 2: Convert to fraction form
    13,430,809.20/20,146,213.80 = 4,908,313.20/x
  3. Step 3: Cross multiply
    13,430,809.20x = 20,146,213.80 × 4,908,313.20
  4. Step 4: Simplify right side
    13,430,809.20x = 98,883,927,124,562.17
  5. Step 5: Solve for x
    x = 98,883,927,124,562.17/13,430,809.20
  6. Step 6: Final answer
    x = 7,362,469.80

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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.