Home / 21,024,038.20-31,530,152.40-6,651,511.60

Finding the Fourth Proportional to 21,024,038.20, 31,530,152.40 and 6,651,511.60

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Solution

The fourth proportional to 21,024,038.20, 31,530,152.40 and 6,651,511.60 is: 9,975,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024,038.20 : 31,530,152.40 = 6,651,511.60 : x
  2. Step 2: Convert to fraction form
    21,024,038.20/31,530,152.40 = 6,651,511.60/x
  3. Step 3: Cross multiply
    21,024,038.20x = 31,530,152.40 × 6,651,511.60
  4. Step 4: Simplify right side
    21,024,038.20x = 209,723,174,438,367.81
  5. Step 5: Solve for x
    x = 209,723,174,438,367.81/21,024,038.20
  6. Step 6: Final answer
    x = 9,975,399.23

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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.