Home / 12,672,055.20-19,001,084.40-5,090,455.20

Finding the Fourth Proportional to 12,672,055.20, 19,001,084.40 and 5,090,455.20

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Solution

The fourth proportional to 12,672,055.20, 19,001,084.40 and 5,090,455.20 is: 7,632,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,055.20 : 19,001,084.40 = 5,090,455.20 : x
  2. Step 2: Convert to fraction form
    12,672,055.20/19,001,084.40 = 5,090,455.20/x
  3. Step 3: Cross multiply
    12,672,055.20x = 19,001,084.40 × 5,090,455.20
  4. Step 4: Simplify right side
    12,672,055.20x = 96,724,168,889,618.88
  5. Step 5: Solve for x
    x = 96,724,168,889,618.88/12,672,055.20
  6. Step 6: Final answer
    x = 7,632,871.49

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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.