Home / 14,202,001.20-21,303,001.80-8,155,383.60

Finding the Fourth Proportional to 14,202,001.20, 21,303,001.80 and 8,155,383.60

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Solution

The fourth proportional to 14,202,001.20, 21,303,001.80 and 8,155,383.60 is: 12,233,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202,001.20 : 21,303,001.80 = 8,155,383.60 : x
  2. Step 2: Convert to fraction form
    14,202,001.20/21,303,001.80 = 8,155,383.60/x
  3. Step 3: Cross multiply
    14,202,001.20x = 21,303,001.80 × 8,155,383.60
  4. Step 4: Simplify right side
    14,202,001.20x = 173,734,151,510,490.47
  5. Step 5: Solve for x
    x = 173,734,151,510,490.47/14,202,001.20
  6. Step 6: Final answer
    x = 12,233,075.40

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Similar ratio
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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.