Home / 30,579,069.96-42,199,122.56-16,828,034.09

Finding the Fourth Proportional to 30,579,069.96, 42,199,122.56 and 16,828,034.09

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Solution

The fourth proportional to 30,579,069.96, 42,199,122.56 and 16,828,034.09 is: 23,222,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,069.96 : 42,199,122.56 = 16,828,034.09 : x
  2. Step 2: Convert to fraction form
    30,579,069.96/42,199,122.56 = 16,828,034.09/x
  3. Step 3: Cross multiply
    30,579,069.96x = 42,199,122.56 × 16,828,034.09
  4. Step 4: Simplify right side
    30,579,069.96x = 710,128,272,712,632.38
  5. Step 5: Solve for x
    x = 710,128,272,712,632.38/30,579,069.96
  6. Step 6: Final answer
    x = 23,222,690.34

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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.