Home / 15,010,204.16-20,702,748-9,430,072.96

Finding the Fourth Proportional to 15,010,204.16, 20,702,748 and 9,430,072.96

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Solution

The fourth proportional to 15,010,204.16, 20,702,748 and 9,430,072.96 is: 13,006,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010,204.16 : 20,702,748 = 9,430,072.96 : x
  2. Step 2: Convert to fraction form
    15,010,204.16/20,702,748 = 9,430,072.96/x
  3. Step 3: Cross multiply
    15,010,204.16x = 20,702,748 × 9,430,072.96
  4. Step 4: Simplify right side
    15,010,204.16x = 195,228,424,112,494.09
  5. Step 5: Solve for x
    x = 195,228,424,112,494.09/15,010,204.16
  6. Step 6: Final answer
    x = 13,006,380.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.