Home / 28,973,709.86-39,985,943.52-16,587,688.16

Finding the Fourth Proportional to 28,973,709.86, 39,985,943.52 and 16,587,688.16

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Solution

The fourth proportional to 28,973,709.86, 39,985,943.52 and 16,587,688.16 is: 22,892,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,709.86 : 39,985,943.52 = 16,587,688.16 : x
  2. Step 2: Convert to fraction form
    28,973,709.86/39,985,943.52 = 16,587,688.16/x
  3. Step 3: Cross multiply
    28,973,709.86x = 39,985,943.52 × 16,587,688.16
  4. Step 4: Simplify right side
    28,973,709.86x = 663,274,361,893,132.75
  5. Step 5: Solve for x
    x = 663,274,361,893,132.75/28,973,709.86
  6. Step 6: Final answer
    x = 22,892,282.87

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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.