Home / 40,426,812.35-60,642,842.93-21,294,936.35

Finding the Fourth Proportional to 40,426,812.35, 60,642,842.93 and 21,294,936.35

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Solution

The fourth proportional to 40,426,812.35, 60,642,842.93 and 21,294,936.35 is: 31,943,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,812.35 : 60,642,842.93 = 21,294,936.35 : x
  2. Step 2: Convert to fraction form
    40,426,812.35/60,642,842.93 = 21,294,936.35/x
  3. Step 3: Cross multiply
    40,426,812.35x = 60,642,842.93 × 21,294,936.35
  4. Step 4: Simplify right side
    40,426,812.35x = 1,291,385,480,170,922.75
  5. Step 5: Solve for x
    x = 1,291,385,480,170,922.75/40,426,812.35
  6. Step 6: Final answer
    x = 31,943,786.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.