Home / 28,878,762.88-39,853,790.72-16,490,874.88

Finding the Fourth Proportional to 28,878,762.88, 39,853,790.72 and 16,490,874.88

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Solution

The fourth proportional to 28,878,762.88, 39,853,790.72 and 16,490,874.88 is: 22,758,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,762.88 : 39,853,790.72 = 16,490,874.88 : x
  2. Step 2: Convert to fraction form
    28,878,762.88/39,853,790.72 = 16,490,874.88/x
  3. Step 3: Cross multiply
    28,878,762.88x = 39,853,790.72 × 16,490,874.88
  4. Step 4: Simplify right side
    28,878,762.88x = 657,223,876,257,225.12
  5. Step 5: Solve for x
    x = 657,223,876,257,225.12/28,878,762.88
  6. Step 6: Final answer
    x = 22,758,034.30

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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.