Home / 20,736,070.60-31,104,105.90-14,241,555.40

Finding the Fourth Proportional to 20,736,070.60, 31,104,105.90 and 14,241,555.40

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Solution

The fourth proportional to 20,736,070.60, 31,104,105.90 and 14,241,555.40 is: 21,362,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,070.60 : 31,104,105.90 = 14,241,555.40 : x
  2. Step 2: Convert to fraction form
    20,736,070.60/31,104,105.90 = 14,241,555.40/x
  3. Step 3: Cross multiply
    20,736,070.60x = 31,104,105.90 × 14,241,555.40
  4. Step 4: Simplify right side
    20,736,070.60x = 442,970,847,342,316.88
  5. Step 5: Solve for x
    x = 442,970,847,342,316.88/20,736,070.60
  6. Step 6: Final answer
    x = 21,362,333.10

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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.