Home / 20,888,980.60-31,333,470.90-16,354,017.40

Finding the Fourth Proportional to 20,888,980.60, 31,333,470.90 and 16,354,017.40

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Solution

The fourth proportional to 20,888,980.60, 31,333,470.90 and 16,354,017.40 is: 24,531,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,980.60 : 31,333,470.90 = 16,354,017.40 : x
  2. Step 2: Convert to fraction form
    20,888,980.60/31,333,470.90 = 16,354,017.40/x
  3. Step 3: Cross multiply
    20,888,980.60x = 31,333,470.90 × 16,354,017.40
  4. Step 4: Simplify right side
    20,888,980.60x = 512,428,128,300,993.62
  5. Step 5: Solve for x
    x = 512,428,128,300,993.62/20,888,980.60
  6. Step 6: Final answer
    x = 24,531,026.10

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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.