Home / 34,128,030.72-51,210,941.44-20,447,558.40

Finding the Fourth Proportional to 34,128,030.72, 51,210,941.44 and 20,447,558.40

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Solution

The fourth proportional to 34,128,030.72, 51,210,941.44 and 20,447,558.40 is: 30,682,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128,030.72 : 51,210,941.44 = 20,447,558.40 : x
  2. Step 2: Convert to fraction form
    34,128,030.72/51,210,941.44 = 20,447,558.40/x
  3. Step 3: Cross multiply
    34,128,030.72x = 51,210,941.44 × 20,447,558.40
  4. Step 4: Simplify right side
    34,128,030.72x = 1,047,138,715,813,380
  5. Step 5: Solve for x
    x = 1,047,138,715,813,380/34,128,030.72
  6. Step 6: Final answer
    x = 30,682,658.62

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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.