Home / 12,459,131.70-18,671,201.55-9,904,715.70

Finding the Fourth Proportional to 12,459,131.70, 18,671,201.55 and 9,904,715.70

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Solution

The fourth proportional to 12,459,131.70, 18,671,201.55 and 9,904,715.70 is: 14,843,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,131.70 : 18,671,201.55 = 9,904,715.70 : x
  2. Step 2: Convert to fraction form
    12,459,131.70/18,671,201.55 = 9,904,715.70/x
  3. Step 3: Cross multiply
    12,459,131.70x = 18,671,201.55 × 9,904,715.70
  4. Step 4: Simplify right side
    12,459,131.70x = 184,932,943,130,149.34
  5. Step 5: Solve for x
    x = 184,932,943,130,149.34/12,459,131.70
  6. Step 6: Final answer
    x = 14,843,164.64

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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.