Home / 28,973,699.55-39,985,929.30-16,587,677.90

Finding the Fourth Proportional to 28,973,699.55, 39,985,929.30 and 16,587,677.90

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Solution

The fourth proportional to 28,973,699.55, 39,985,929.30 and 16,587,677.90 is: 22,892,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,699.55 : 39,985,929.30 = 16,587,677.90 : x
  2. Step 2: Convert to fraction form
    28,973,699.55/39,985,929.30 = 16,587,677.90/x
  3. Step 3: Cross multiply
    28,973,699.55x = 39,985,929.30 × 16,587,677.90
  4. Step 4: Simplify right side
    28,973,699.55x = 663,273,715,477,704.50
  5. Step 5: Solve for x
    x = 663,273,715,477,704.50/28,973,699.55
  6. Step 6: Final answer
    x = 22,892,268.71

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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.