Home / 30,503,822.80-45,732,406.20-15,368,616.40

Finding the Fourth Proportional to 30,503,822.80, 45,732,406.20 and 15,368,616.40

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Solution

The fourth proportional to 30,503,822.80, 45,732,406.20 and 15,368,616.40 is: 23,041,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,822.80 : 45,732,406.20 = 15,368,616.40 : x
  2. Step 2: Convert to fraction form
    30,503,822.80/45,732,406.20 = 15,368,616.40/x
  3. Step 3: Cross multiply
    30,503,822.80x = 45,732,406.20 × 15,368,616.40
  4. Step 4: Simplify right side
    30,503,822.80x = 702,843,807,936,781.75
  5. Step 5: Solve for x
    x = 702,843,807,936,781.75/30,503,822.80
  6. Step 6: Final answer
    x = 23,041,171.35

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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.