Home / 40,152,995.24-55,411,465.62-21,818,280.80

Finding the Fourth Proportional to 40,152,995.24, 55,411,465.62 and 21,818,280.80

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Solution

The fourth proportional to 40,152,995.24, 55,411,465.62 and 21,818,280.80 is: 30,109,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152,995.24 : 55,411,465.62 = 21,818,280.80 : x
  2. Step 2: Convert to fraction form
    40,152,995.24/55,411,465.62 = 21,818,280.80/x
  3. Step 3: Cross multiply
    40,152,995.24x = 55,411,465.62 × 21,818,280.80
  4. Step 4: Simplify right side
    40,152,995.24x = 1,208,982,916,436,706
  5. Step 5: Solve for x
    x = 1,208,982,916,436,706/40,152,995.24
  6. Step 6: Final answer
    x = 30,109,408.01

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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.