Home / 39,927,682.86-55,100,368.53-21,592,968.54

Finding the Fourth Proportional to 39,927,682.86, 55,100,368.53 and 21,592,968.54

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Solution

The fourth proportional to 39,927,682.86, 55,100,368.53 and 21,592,968.54 is: 29,798,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927,682.86 : 55,100,368.53 = 21,592,968.54 : x
  2. Step 2: Convert to fraction form
    39,927,682.86/55,100,368.53 = 21,592,968.54/x
  3. Step 3: Cross multiply
    39,927,682.86x = 55,100,368.53 × 21,592,968.54
  4. Step 4: Simplify right side
    39,927,682.86x = 1,189,780,524,210,696
  5. Step 5: Solve for x
    x = 1,189,780,524,210,696/39,927,682.86
  6. Step 6: Final answer
    x = 29,798,386.46

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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.