Home / 13,358,529.69-18,432,804.27-7,477,858.23

Finding the Fourth Proportional to 13,358,529.69, 18,432,804.27 and 7,477,858.23

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Solution

The fourth proportional to 13,358,529.69, 18,432,804.27 and 7,477,858.23 is: 10,318,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,529.69 : 18,432,804.27 = 7,477,858.23 : x
  2. Step 2: Convert to fraction form
    13,358,529.69/18,432,804.27 = 7,477,858.23/x
  3. Step 3: Cross multiply
    13,358,529.69x = 18,432,804.27 × 7,477,858.23
  4. Step 4: Simplify right side
    13,358,529.69x = 137,837,897,127,866.27
  5. Step 5: Solve for x
    x = 137,837,897,127,866.27/13,358,529.69
  6. Step 6: Final answer
    x = 10,318,343.44

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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.