Home / 30,563,905.57-42,178,412.04-16,625,381.02

Finding the Fourth Proportional to 30,563,905.57, 42,178,412.04 and 16,625,381.02

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Solution

The fourth proportional to 30,563,905.57, 42,178,412.04 and 16,625,381.02 is: 22,943,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,905.57 : 42,178,412.04 = 16,625,381.02 : x
  2. Step 2: Convert to fraction form
    30,563,905.57/42,178,412.04 = 16,625,381.02/x
  3. Step 3: Cross multiply
    30,563,905.57x = 42,178,412.04 × 16,625,381.02
  4. Step 4: Simplify right side
    30,563,905.57x = 701,232,170,815,764.38
  5. Step 5: Solve for x
    x = 701,232,170,815,764.38/30,563,905.57
  6. Step 6: Final answer
    x = 22,943,146.75

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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.