Home / 30,579,070.37-42,199,123.08-16,828,034.50

Finding the Fourth Proportional to 30,579,070.37, 42,199,123.08 and 16,828,034.50

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Solution

The fourth proportional to 30,579,070.37, 42,199,123.08 and 16,828,034.50 is: 23,222,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,070.37 : 42,199,123.08 = 16,828,034.50 : x
  2. Step 2: Convert to fraction form
    30,579,070.37/42,199,123.08 = 16,828,034.50/x
  3. Step 3: Cross multiply
    30,579,070.37x = 42,199,123.08 × 16,828,034.50
  4. Step 4: Simplify right side
    30,579,070.37x = 710,128,299,059,986.25
  5. Step 5: Solve for x
    x = 710,128,299,059,986.25/30,579,070.37
  6. Step 6: Final answer
    x = 23,222,690.90

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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.