Home / 21,001,812.60-31,502,718.90-5,045,460.60

Finding the Fourth Proportional to 21,001,812.60, 31,502,718.90 and 5,045,460.60

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Solution

The fourth proportional to 21,001,812.60, 31,502,718.90 and 5,045,460.60 is: 7,568,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001,812.60 : 31,502,718.90 = 5,045,460.60 : x
  2. Step 2: Convert to fraction form
    21,001,812.60/31,502,718.90 = 5,045,460.60/x
  3. Step 3: Cross multiply
    21,001,812.60x = 31,502,718.90 × 5,045,460.60
  4. Step 4: Simplify right side
    21,001,812.60x = 158,945,727,002,825.31
  5. Step 5: Solve for x
    x = 158,945,727,002,825.31/21,001,812.60
  6. Step 6: Final answer
    x = 7,568,190.90

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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.