Home / 40,001,368.56-55,201,904.28-21,666,597.36

Finding the Fourth Proportional to 40,001,368.56, 55,201,904.28 and 21,666,597.36

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Solution

The fourth proportional to 40,001,368.56, 55,201,904.28 and 21,666,597.36 is: 29,899,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,368.56 : 55,201,904.28 = 21,666,597.36 : x
  2. Step 2: Convert to fraction form
    40,001,368.56/55,201,904.28 = 21,666,597.36/x
  3. Step 3: Cross multiply
    40,001,368.56x = 55,201,904.28 × 21,666,597.36
  4. Step 4: Simplify right side
    40,001,368.56x = 1,196,037,433,540,020.75
  5. Step 5: Solve for x
    x = 1,196,037,433,540,020.75/40,001,368.56
  6. Step 6: Final answer
    x = 29,899,912.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.