Home / 38,991,471.34-53,811,840.01-21,587,816.56

Finding the Fourth Proportional to 38,991,471.34, 53,811,840.01 and 21,587,816.56

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Solution

The fourth proportional to 38,991,471.34, 53,811,840.01 and 21,587,816.56 is: 29,793,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991,471.34 : 53,811,840.01 = 21,587,816.56 : x
  2. Step 2: Convert to fraction form
    38,991,471.34/53,811,840.01 = 21,587,816.56/x
  3. Step 3: Cross multiply
    38,991,471.34x = 53,811,840.01 × 21,587,816.56
  4. Step 4: Simplify right side
    38,991,471.34x = 1,161,680,130,778,440
  5. Step 5: Solve for x
    x = 1,161,680,130,778,440/38,991,471.34
  6. Step 6: Final answer
    x = 29,793,185.30

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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.