Home / 18,424,761.69-25,426,029.12-10,165,172.10

Finding the Fourth Proportional to 18,424,761.69, 25,426,029.12 and 10,165,172.10

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Solution

The fourth proportional to 18,424,761.69, 25,426,029.12 and 10,165,172.10 is: 14,027,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,761.69 : 25,426,029.12 = 10,165,172.10 : x
  2. Step 2: Convert to fraction form
    18,424,761.69/25,426,029.12 = 10,165,172.10/x
  3. Step 3: Cross multiply
    18,424,761.69x = 25,426,029.12 × 10,165,172.10
  4. Step 4: Simplify right side
    18,424,761.69x = 258,459,961,824,411.56
  5. Step 5: Solve for x
    x = 258,459,961,824,411.56/18,424,761.69
  6. Step 6: Final answer
    x = 14,027,859.15

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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.