Home / 28,606,784.59-42,915,454.89-9,438,866.83

Finding the Fourth Proportional to 28,606,784.59, 42,915,454.89 and 9,438,866.83

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Solution

The fourth proportional to 28,606,784.59, 42,915,454.89 and 9,438,866.83 is: 14,160,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,784.59 : 42,915,454.89 = 9,438,866.83 : x
  2. Step 2: Convert to fraction form
    28,606,784.59/42,915,454.89 = 9,438,866.83/x
  3. Step 3: Cross multiply
    28,606,784.59x = 42,915,454.89 × 9,438,866.83
  4. Step 4: Simplify right side
    28,606,784.59x = 405,073,263,655,582.31
  5. Step 5: Solve for x
    x = 405,073,263,655,582.31/28,606,784.59
  6. Step 6: Final answer
    x = 14,160,041.73

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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.