Home / 30,640,306.51-42,283,369.67-16,701,408.15

Finding the Fourth Proportional to 30,640,306.51, 42,283,369.67 and 16,701,408.15

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Solution

The fourth proportional to 30,640,306.51, 42,283,369.67 and 16,701,408.15 is: 23,047,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,306.51 : 42,283,369.67 = 16,701,408.15 : x
  2. Step 2: Convert to fraction form
    30,640,306.51/42,283,369.67 = 16,701,408.15/x
  3. Step 3: Cross multiply
    30,640,306.51x = 42,283,369.67 × 16,701,408.15
  4. Step 4: Simplify right side
    30,640,306.51x = 706,191,814,816,000.88
  5. Step 5: Solve for x
    x = 706,191,814,816,000.88/30,640,306.51
  6. Step 6: Final answer
    x = 23,047,805.17

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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.