Home / 13,407,355.80-20,111,033.70-4,887,970.20

Finding the Fourth Proportional to 13,407,355.80, 20,111,033.70 and 4,887,970.20

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Solution

The fourth proportional to 13,407,355.80, 20,111,033.70 and 4,887,970.20 is: 7,331,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,355.80 : 20,111,033.70 = 4,887,970.20 : x
  2. Step 2: Convert to fraction form
    13,407,355.80/20,111,033.70 = 4,887,970.20/x
  3. Step 3: Cross multiply
    13,407,355.80x = 20,111,033.70 × 4,887,970.20
  4. Step 4: Simplify right side
    13,407,355.80x = 98,302,133,416,795.73
  5. Step 5: Solve for x
    x = 98,302,133,416,795.73/13,407,355.80
  6. Step 6: Final answer
    x = 7,331,955.30

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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.