Home / 20,657,114.10-30,986,837.55-6,280,650.90

Finding the Fourth Proportional to 20,657,114.10, 30,986,837.55 and 6,280,650.90

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Solution

The fourth proportional to 20,657,114.10, 30,986,837.55 and 6,280,650.90 is: 9,421,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,114.10 : 30,986,837.55 = 6,280,650.90 : x
  2. Step 2: Convert to fraction form
    20,657,114.10/30,986,837.55 = 6,280,650.90/x
  3. Step 3: Cross multiply
    20,657,114.10x = 30,986,837.55 × 6,280,650.90
  4. Step 4: Simplify right side
    20,657,114.10x = 194,617,509,146,561.31
  5. Step 5: Solve for x
    x = 194,617,509,146,561.31/20,657,114.10
  6. Step 6: Final answer
    x = 9,421,330.99

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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.