Home / 28,973,707.86-39,985,940.76-16,587,686.16

Finding the Fourth Proportional to 28,973,707.86, 39,985,940.76 and 16,587,686.16

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Solution

The fourth proportional to 28,973,707.86, 39,985,940.76 and 16,587,686.16 is: 22,892,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,707.86 : 39,985,940.76 = 16,587,686.16 : x
  2. Step 2: Convert to fraction form
    28,973,707.86/39,985,940.76 = 16,587,686.16/x
  3. Step 3: Cross multiply
    28,973,707.86x = 39,985,940.76 × 16,587,686.16
  4. Step 4: Simplify right side
    28,973,707.86x = 663,274,236,139,231.88
  5. Step 5: Solve for x
    x = 663,274,236,139,231.88/28,973,707.86
  6. Step 6: Final answer
    x = 22,892,280.11

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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.