Home / 16,720,038.20-25,080,057.30-14,169,121.40

Finding the Fourth Proportional to 16,720,038.20, 25,080,057.30 and 14,169,121.40

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Solution

The fourth proportional to 16,720,038.20, 25,080,057.30 and 14,169,121.40 is: 21,253,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720,038.20 : 25,080,057.30 = 14,169,121.40 : x
  2. Step 2: Convert to fraction form
    16,720,038.20/25,080,057.30 = 14,169,121.40/x
  3. Step 3: Cross multiply
    16,720,038.20x = 25,080,057.30 × 14,169,121.40
  4. Step 4: Simplify right side
    16,720,038.20x = 355,362,376,602,656.25
  5. Step 5: Solve for x
    x = 355,362,376,602,656.25/16,720,038.20
  6. Step 6: Final answer
    x = 21,253,682.10

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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.