Home / 20,280,592.41-30,420,888.63-4,927,803.24

Finding the Fourth Proportional to 20,280,592.41, 30,420,888.63 and 4,927,803.24

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Solution

The fourth proportional to 20,280,592.41, 30,420,888.63 and 4,927,803.24 is: 7,391,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,592.41 : 30,420,888.63 = 4,927,803.24 : x
  2. Step 2: Convert to fraction form
    20,280,592.41/30,420,888.63 = 4,927,803.24/x
  3. Step 3: Cross multiply
    20,280,592.41x = 30,420,888.63 × 4,927,803.24
  4. Step 4: Simplify right side
    20,280,592.41x = 149,908,153,554,593.16
  5. Step 5: Solve for x
    x = 149,908,153,554,593.16/20,280,592.41
  6. Step 6: Final answer
    x = 7,391,704.86

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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.