Home / 30,563,908.76-42,178,416.44-16,625,384.21

Finding the Fourth Proportional to 30,563,908.76, 42,178,416.44 and 16,625,384.21

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Solution

The fourth proportional to 30,563,908.76, 42,178,416.44 and 16,625,384.21 is: 22,943,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563,908.76 : 42,178,416.44 = 16,625,384.21 : x
  2. Step 2: Convert to fraction form
    30,563,908.76/42,178,416.44 = 16,625,384.21/x
  3. Step 3: Cross multiply
    30,563,908.76x = 42,178,416.44 × 16,625,384.21
  4. Step 4: Simplify right side
    30,563,908.76x = 701,232,378,390,361.50
  5. Step 5: Solve for x
    x = 701,232,378,390,361.50/30,563,908.76
  6. Step 6: Final answer
    x = 22,943,151.15

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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.