Home / 18,814,521.70-28,232,068.81-7,300,442.98

Finding the Fourth Proportional to 18,814,521.70, 28,232,068.81 and 7,300,442.98

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Solution

The fourth proportional to 18,814,521.70, 28,232,068.81 and 7,300,442.98 is: 10,954,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814,521.70 : 28,232,068.81 = 7,300,442.98 : x
  2. Step 2: Convert to fraction form
    18,814,521.70/28,232,068.81 = 7,300,442.98/x
  3. Step 3: Cross multiply
    18,814,521.70x = 28,232,068.81 × 7,300,442.98
  4. Step 4: Simplify right side
    18,814,521.70x = 206,106,608,426,763.38
  5. Step 5: Solve for x
    x = 206,106,608,426,763.38/18,814,521.70
  6. Step 6: Final answer
    x = 10,954,655.76

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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.