Home / 30,563,898.95-42,178,402.89-16,625,374.45

Finding the Fourth Proportional to 30,563,898.95, 42,178,402.89 and 16,625,374.45

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Solution

The fourth proportional to 30,563,898.95, 42,178,402.89 and 16,625,374.45 is: 22,943,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,898.95 : 42,178,402.89 = 16,625,374.45 : x
  2. Step 2: Convert to fraction form
    30,563,898.95/42,178,402.89 = 16,625,374.45/x
  3. Step 3: Cross multiply
    30,563,898.95x = 42,178,402.89 × 16,625,374.45
  4. Step 4: Simplify right side
    30,563,898.95x = 701,231,741,749,212.12
  5. Step 5: Solve for x
    x = 701,231,741,749,212.12/30,563,898.95
  6. Step 6: Final answer
    x = 22,943,137.68

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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.