Home / 13,384,235.70-18,470,362.23-7,272,664.20

Finding the Fourth Proportional to 13,384,235.70, 18,470,362.23 and 7,272,664.20

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Solution

The fourth proportional to 13,384,235.70, 18,470,362.23 and 7,272,664.20 is: 10,036,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,235.70 : 18,470,362.23 = 7,272,664.20 : x
  2. Step 2: Convert to fraction form
    13,384,235.70/18,470,362.23 = 7,272,664.20/x
  3. Step 3: Cross multiply
    13,384,235.70x = 18,470,362.23 × 7,272,664.20
  4. Step 4: Simplify right side
    13,384,235.70x = 134,328,742,151,153.17
  5. Step 5: Solve for x
    x = 134,328,742,151,153.17/13,384,235.70
  6. Step 6: Final answer
    x = 10,036,340.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.