Home / 30,804,643.85-42,508,722.04-16,863,302.52

Finding the Fourth Proportional to 30,804,643.85, 42,508,722.04 and 16,863,302.52

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Solution

The fourth proportional to 30,804,643.85, 42,508,722.04 and 16,863,302.52 is: 23,270,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,643.85 : 42,508,722.04 = 16,863,302.52 : x
  2. Step 2: Convert to fraction form
    30,804,643.85/42,508,722.04 = 16,863,302.52/x
  3. Step 3: Cross multiply
    30,804,643.85x = 42,508,722.04 × 16,863,302.52
  4. Step 4: Simplify right side
    30,804,643.85x = 716,837,439,456,953.25
  5. Step 5: Solve for x
    x = 716,837,439,456,953.25/30,804,643.85
  6. Step 6: Final answer
    x = 23,270,434.26

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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.