Home / 38,447,740.80-53,057,688.48-20,806,630.56

Finding the Fourth Proportional to 38,447,740.80, 53,057,688.48 and 20,806,630.56

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Solution

The fourth proportional to 38,447,740.80, 53,057,688.48 and 20,806,630.56 is: 28,713,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447,740.80 : 53,057,688.48 = 20,806,630.56 : x
  2. Step 2: Convert to fraction form
    38,447,740.80/53,057,688.48 = 20,806,630.56/x
  3. Step 3: Cross multiply
    38,447,740.80x = 53,057,688.48 × 20,806,630.56
  4. Step 4: Simplify right side
    38,447,740.80x = 1,103,951,722,570,927.75
  5. Step 5: Solve for x
    x = 1,103,951,722,570,927.75/38,447,740.80
  6. Step 6: Final answer
    x = 28,713,045.28

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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.