Home / 28,881,561.27-43,336,354.50-12,705,410.61

Finding the Fourth Proportional to 28,881,561.27, 43,336,354.50 and 12,705,410.61

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Solution

The fourth proportional to 28,881,561.27, 43,336,354.50 and 12,705,410.61 is: 19,064,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,561.27 : 43,336,354.50 = 12,705,410.61 : x
  2. Step 2: Convert to fraction form
    28,881,561.27/43,336,354.50 = 12,705,410.61/x
  3. Step 3: Cross multiply
    28,881,561.27x = 43,336,354.50 × 12,705,410.61
  4. Step 4: Simplify right side
    28,881,561.27x = 550,606,178,263,021.25
  5. Step 5: Solve for x
    x = 550,606,178,263,021.25/28,881,561.27
  6. Step 6: Final answer
    x = 19,064,280.26

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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.