Home / 28,890,990.72-43,323,887.61-10,927,497.60

Finding the Fourth Proportional to 28,890,990.72, 43,323,887.61 and 10,927,497.60

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Solution

The fourth proportional to 28,890,990.72, 43,323,887.61 and 10,927,497.60 is: 16,386,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,990.72 : 43,323,887.61 = 10,927,497.60 : x
  2. Step 2: Convert to fraction form
    28,890,990.72/43,323,887.61 = 10,927,497.60/x
  3. Step 3: Cross multiply
    28,890,990.72x = 43,323,887.61 × 10,927,497.60
  4. Step 4: Simplify right side
    28,890,990.72x = 473,421,677,880,944.69
  5. Step 5: Solve for x
    x = 473,421,677,880,944.69/28,890,990.72
  6. Step 6: Final answer
    x = 16,386,481.26

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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.