Home / 28,780,465.60-43,164,477.60-12,606,385.60

Finding the Fourth Proportional to 28,780,465.60, 43,164,477.60 and 12,606,385.60

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Solution

The fourth proportional to 28,780,465.60, 43,164,477.60 and 12,606,385.60 is: 18,906,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780,465.60 : 43,164,477.60 = 12,606,385.60 : x
  2. Step 2: Convert to fraction form
    28,780,465.60/43,164,477.60 = 12,606,385.60/x
  3. Step 3: Cross multiply
    28,780,465.60x = 43,164,477.60 × 12,606,385.60
  4. Step 4: Simplify right side
    28,780,465.60x = 544,148,048,848,162.56
  5. Step 5: Solve for x
    x = 544,148,048,848,162.56/28,780,465.60
  6. Step 6: Final answer
    x = 18,906,853.57

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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.