Home / 30,402,461.40-41,955,437.18-16,463,840.54

Finding the Fourth Proportional to 30,402,461.40, 41,955,437.18 and 16,463,840.54

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Solution

The fourth proportional to 30,402,461.40, 41,955,437.18 and 16,463,840.54 is: 22,720,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,461.40 : 41,955,437.18 = 16,463,840.54 : x
  2. Step 2: Convert to fraction form
    30,402,461.40/41,955,437.18 = 16,463,840.54/x
  3. Step 3: Cross multiply
    30,402,461.40x = 41,955,437.18 × 16,463,840.54
  4. Step 4: Simplify right side
    30,402,461.40x = 690,747,627,517,507.25
  5. Step 5: Solve for x
    x = 690,747,627,517,507.25/30,402,461.40
  6. Step 6: Final answer
    x = 22,720,121.85

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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.