Home / 18,985,018.89-26,199,333.50-10,283,164.59

Finding the Fourth Proportional to 18,985,018.89, 26,199,333.50 and 10,283,164.59

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Solution

The fourth proportional to 18,985,018.89, 26,199,333.50 and 10,283,164.59 is: 14,190,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985,018.89 : 26,199,333.50 = 10,283,164.59 : x
  2. Step 2: Convert to fraction form
    18,985,018.89/26,199,333.50 = 10,283,164.59/x
  3. Step 3: Cross multiply
    18,985,018.89x = 26,199,333.50 × 10,283,164.59
  4. Step 4: Simplify right side
    18,985,018.89x = 269,412,058,528,800.75
  5. Step 5: Solve for x
    x = 269,412,058,528,800.75/18,985,018.89
  6. Step 6: Final answer
    x = 14,190,771.16

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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.