Home / 21,913,710.46-30,241,810.60-12,123,995.20

Finding the Fourth Proportional to 21,913,710.46, 30,241,810.60 and 12,123,995.20

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Solution

The fourth proportional to 21,913,710.46, 30,241,810.60 and 12,123,995.20 is: 16,731,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,710.46 : 30,241,810.60 = 12,123,995.20 : x
  2. Step 2: Convert to fraction form
    21,913,710.46/30,241,810.60 = 12,123,995.20/x
  3. Step 3: Cross multiply
    21,913,710.46x = 30,241,810.60 × 12,123,995.20
  4. Step 4: Simplify right side
    21,913,710.46x = 366,651,566,634,939
  5. Step 5: Solve for x
    x = 366,651,566,634,939/21,913,710.46
  6. Step 6: Final answer
    x = 16,731,605.87

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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.