Home / 19,026,486.96-26,245,571.40-12,143,210.64

Finding the Fourth Proportional to 19,026,486.96, 26,245,571.40 and 12,143,210.64

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Solution

The fourth proportional to 19,026,486.96, 26,245,571.40 and 12,143,210.64 is: 16,750,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026,486.96 : 26,245,571.40 = 12,143,210.64 : x
  2. Step 2: Convert to fraction form
    19,026,486.96/26,245,571.40 = 12,143,210.64/x
  3. Step 3: Cross multiply
    19,026,486.96x = 26,245,571.40 × 12,143,210.64
  4. Step 4: Simplify right side
    19,026,486.96x = 318,705,501,877,359.69
  5. Step 5: Solve for x
    x = 318,705,501,877,359.69/19,026,486.96
  6. Step 6: Final answer
    x = 16,750,622.57

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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.