Home / 30,579,069.37-42,199,121.70-16,828,033.50

Finding the Fourth Proportional to 30,579,069.37, 42,199,121.70 and 16,828,033.50

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Solution

The fourth proportional to 30,579,069.37, 42,199,121.70 and 16,828,033.50 is: 23,222,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,069.37 : 42,199,121.70 = 16,828,033.50 : x
  2. Step 2: Convert to fraction form
    30,579,069.37/42,199,121.70 = 16,828,033.50/x
  3. Step 3: Cross multiply
    30,579,069.37x = 42,199,121.70 × 16,828,033.50
  4. Step 4: Simplify right side
    30,579,069.37x = 710,128,233,343,041.25
  5. Step 5: Solve for x
    x = 710,128,233,343,041.25/30,579,069.37
  6. Step 6: Final answer
    x = 23,222,689.51

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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.