Home / 30,731,346.14-42,408,745.40-16,792,395.01

Finding the Fourth Proportional to 30,731,346.14, 42,408,745.40 and 16,792,395.01

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Solution

The fourth proportional to 30,731,346.14, 42,408,745.40 and 16,792,395.01 is: 23,173,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,346.14 : 42,408,745.40 = 16,792,395.01 : x
  2. Step 2: Convert to fraction form
    30,731,346.14/42,408,745.40 = 16,792,395.01/x
  3. Step 3: Cross multiply
    30,731,346.14x = 42,408,745.40 × 16,792,395.01
  4. Step 4: Simplify right side
    30,731,346.14x = 712,144,404,571,279.62
  5. Step 5: Solve for x
    x = 712,144,404,571,279.62/30,731,346.14
  6. Step 6: Final answer
    x = 23,173,225.20

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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.