Home / 30,671,640.60-46,101,939.30-28,971,029.40

Finding the Fourth Proportional to 30,671,640.60, 46,101,939.30 and 28,971,029.40

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Solution

The fourth proportional to 30,671,640.60, 46,101,939.30 and 28,971,029.40 is: 43,545,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671,640.60 : 46,101,939.30 = 28,971,029.40 : x
  2. Step 2: Convert to fraction form
    30,671,640.60/46,101,939.30 = 28,971,029.40/x
  3. Step 3: Cross multiply
    30,671,640.60x = 46,101,939.30 × 28,971,029.40
  4. Step 4: Simplify right side
    30,671,640.60x = 1,335,620,638,857,315.25
  5. Step 5: Solve for x
    x = 1,335,620,638,857,315.25/30,671,640.60
  6. Step 6: Final answer
    x = 43,545,784.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.