Home / 10,853,894.40-16,290,172.80-4,797,945.60

Finding the Fourth Proportional to 10,853,894.40, 16,290,172.80 and 4,797,945.60

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Solution

The fourth proportional to 10,853,894.40, 16,290,172.80 and 4,797,945.60 is: 7,201,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,894.40 : 16,290,172.80 = 4,797,945.60 : x
  2. Step 2: Convert to fraction form
    10,853,894.40/16,290,172.80 = 4,797,945.60/x
  3. Step 3: Cross multiply
    10,853,894.40x = 16,290,172.80 × 4,797,945.60
  4. Step 4: Simplify right side
    10,853,894.40x = 78,159,362,908,999.67
  5. Step 5: Solve for x
    x = 78,159,362,908,999.67/10,853,894.40
  6. Step 6: Final answer
    x = 7,201,043.24

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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.