Home / 20,740,809.40-31,111,214.10-14,358,268.60

Finding the Fourth Proportional to 20,740,809.40, 31,111,214.10 and 14,358,268.60

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Solution

The fourth proportional to 20,740,809.40, 31,111,214.10 and 14,358,268.60 is: 21,537,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,809.40 : 31,111,214.10 = 14,358,268.60 : x
  2. Step 2: Convert to fraction form
    20,740,809.40/31,111,214.10 = 14,358,268.60/x
  3. Step 3: Cross multiply
    20,740,809.40x = 31,111,214.10 × 14,358,268.60
  4. Step 4: Simplify right side
    20,740,809.40x = 446,703,168,519,907.25
  5. Step 5: Solve for x
    x = 446,703,168,519,907.25/20,740,809.40
  6. Step 6: Final answer
    x = 21,537,402.90

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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.