Home / 28,872,527.72-43,315,582.20-8,402,688.84

Finding the Fourth Proportional to 28,872,527.72, 43,315,582.20 and 8,402,688.84

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Solution

The fourth proportional to 28,872,527.72, 43,315,582.20 and 8,402,688.84 is: 12,606,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872,527.72 : 43,315,582.20 = 8,402,688.84 : x
  2. Step 2: Convert to fraction form
    28,872,527.72/43,315,582.20 = 8,402,688.84/x
  3. Step 3: Cross multiply
    28,872,527.72x = 43,315,582.20 × 8,402,688.84
  4. Step 4: Simplify right side
    28,872,527.72x = 363,967,359,150,042.69
  5. Step 5: Solve for x
    x = 363,967,359,150,042.69/28,872,527.72
  6. Step 6: Final answer
    x = 12,606,009.51

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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.