Home / 13,357,346.70-18,433,144.42-7,556,004.78

Finding the Fourth Proportional to 13,357,346.70, 18,433,144.42 and 7,556,004.78

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Solution

The fourth proportional to 13,357,346.70, 18,433,144.42 and 7,556,004.78 is: 10,427,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,346.70 : 18,433,144.42 = 7,556,004.78 : x
  2. Step 2: Convert to fraction form
    13,357,346.70/18,433,144.42 = 7,556,004.78/x
  3. Step 3: Cross multiply
    13,357,346.70x = 18,433,144.42 × 7,556,004.78
  4. Step 4: Simplify right side
    13,357,346.70x = 139,280,927,347,950.34
  5. Step 5: Solve for x
    x = 139,280,927,347,950.34/13,357,346.70
  6. Step 6: Final answer
    x = 10,427,289.98

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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.