Home / 20,736,065.40-31,104,098.10-17,899,380.60

Finding the Fourth Proportional to 20,736,065.40, 31,104,098.10 and 17,899,380.60

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Solution

The fourth proportional to 20,736,065.40, 31,104,098.10 and 17,899,380.60 is: 26,849,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,065.40 : 31,104,098.10 = 17,899,380.60 : x
  2. Step 2: Convert to fraction form
    20,736,065.40/31,104,098.10 = 17,899,380.60/x
  3. Step 3: Cross multiply
    20,736,065.40x = 31,104,098.10 × 17,899,380.60
  4. Step 4: Simplify right side
    20,736,065.40x = 556,744,090,111,636.94
  5. Step 5: Solve for x
    x = 556,744,090,111,636.94/20,736,065.40
  6. Step 6: Final answer
    x = 26,849,070.90

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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.