Home / 15,945,368.40-23,918,052.60-12,756,722.40

Finding the Fourth Proportional to 15,945,368.40, 23,918,052.60 and 12,756,722.40

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Solution

The fourth proportional to 15,945,368.40, 23,918,052.60 and 12,756,722.40 is: 19,135,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,368.40 : 23,918,052.60 = 12,756,722.40 : x
  2. Step 2: Convert to fraction form
    15,945,368.40/23,918,052.60 = 12,756,722.40/x
  3. Step 3: Cross multiply
    15,945,368.40x = 23,918,052.60 × 12,756,722.40
  4. Step 4: Simplify right side
    15,945,368.40x = 305,115,957,366,798.25
  5. Step 5: Solve for x
    x = 305,115,957,366,798.25/15,945,368.40
  6. Step 6: Final answer
    x = 19,135,083.60

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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.