Home / 28,005,382.60-42,008,073.90-6,730,246.60

Finding the Fourth Proportional to 28,005,382.60, 42,008,073.90 and 6,730,246.60

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Solution

The fourth proportional to 28,005,382.60, 42,008,073.90 and 6,730,246.60 is: 10,095,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,382.60 : 42,008,073.90 = 6,730,246.60 : x
  2. Step 2: Convert to fraction form
    28,005,382.60/42,008,073.90 = 6,730,246.60/x
  3. Step 3: Cross multiply
    28,005,382.60x = 42,008,073.90 × 6,730,246.60
  4. Step 4: Simplify right side
    28,005,382.60x = 282,724,696,538,023.69
  5. Step 5: Solve for x
    x = 282,724,696,538,023.69/28,005,382.60
  6. Step 6: Final answer
    x = 10,095,369.90

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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.