Home / 15,763,214.80-23,643,072.60-12,918,365.20

Finding the Fourth Proportional to 15,763,214.80, 23,643,072.60 and 12,918,365.20

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Solution

The fourth proportional to 15,763,214.80, 23,643,072.60 and 12,918,365.20 is: 19,376,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763,214.80 : 23,643,072.60 = 12,918,365.20 : x
  2. Step 2: Convert to fraction form
    15,763,214.80/23,643,072.60 = 12,918,365.20/x
  3. Step 3: Cross multiply
    15,763,214.80x = 23,643,072.60 × 12,918,365.20
  4. Step 4: Simplify right side
    15,763,214.80x = 305,429,846,296,913.50
  5. Step 5: Solve for x
    x = 305,429,846,296,913.50/15,763,214.80
  6. Step 6: Final answer
    x = 19,376,113.96

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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.