Home / 39,047,700.06-53,888,419.80-21,644,778.78

Finding the Fourth Proportional to 39,047,700.06, 53,888,419.80 and 21,644,778.78

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Solution

The fourth proportional to 39,047,700.06, 53,888,419.80 and 21,644,778.78 is: 29,871,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047,700.06 : 53,888,419.80 = 21,644,778.78 : x
  2. Step 2: Convert to fraction form
    39,047,700.06/53,888,419.80 = 21,644,778.78/x
  3. Step 3: Cross multiply
    39,047,700.06x = 53,888,419.80 × 21,644,778.78
  4. Step 4: Simplify right side
    39,047,700.06x = 1,166,402,925,374,771.75
  5. Step 5: Solve for x
    x = 1,166,402,925,374,771.75/39,047,700.06
  6. Step 6: Final answer
    x = 29,871,232.46

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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.