Home / 13,256,272.45-18,293,368.25-7,674,754.12

Finding the Fourth Proportional to 13,256,272.45, 18,293,368.25 and 7,674,754.12

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Solution

The fourth proportional to 13,256,272.45, 18,293,368.25 and 7,674,754.12 is: 10,590,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,272.45 : 18,293,368.25 = 7,674,754.12 : x
  2. Step 2: Convert to fraction form
    13,256,272.45/18,293,368.25 = 7,674,754.12/x
  3. Step 3: Cross multiply
    13,256,272.45x = 18,293,368.25 × 7,674,754.12
  4. Step 4: Simplify right side
    13,256,272.45x = 140,397,103,318,818.16
  5. Step 5: Solve for x
    x = 140,397,103,318,818.16/13,256,272.45
  6. Step 6: Final answer
    x = 10,590,994.10

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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.