Home / 13,068,080.40-19,602,120.60-12,572,068.80

Finding the Fourth Proportional to 13,068,080.40, 19,602,120.60 and 12,572,068.80

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Solution

The fourth proportional to 13,068,080.40, 19,602,120.60 and 12,572,068.80 is: 18,858,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068,080.40 : 19,602,120.60 = 12,572,068.80 : x
  2. Step 2: Convert to fraction form
    13,068,080.40/19,602,120.60 = 12,572,068.80/x
  3. Step 3: Cross multiply
    13,068,080.40x = 19,602,120.60 × 12,572,068.80
  4. Step 4: Simplify right side
    13,068,080.40x = 246,439,208,809,097.31
  5. Step 5: Solve for x
    x = 246,439,208,809,097.31/13,068,080.40
  6. Step 6: Final answer
    x = 18,858,103.20

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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.