Home / 30,794,501.79-42,497,493.44-16,855,868.30

Finding the Fourth Proportional to 30,794,501.79, 42,497,493.44 and 16,855,868.30

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Solution

The fourth proportional to 30,794,501.79, 42,497,493.44 and 16,855,868.30 is: 23,261,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,794,501.79 : 42,497,493.44 = 16,855,868.30 : x
  2. Step 2: Convert to fraction form
    30,794,501.79/42,497,493.44 = 16,855,868.30/x
  3. Step 3: Cross multiply
    30,794,501.79x = 42,497,493.44 × 16,855,868.30
  4. Step 4: Simplify right side
    30,794,501.79x = 716,332,152,207,987.25
  5. Step 5: Solve for x
    x = 716,332,152,207,987.25/30,794,501.79
  6. Step 6: Final answer
    x = 23,261,689.93

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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.