Home / 13,358,530.69-18,432,805.65-7,477,859.23

Finding the Fourth Proportional to 13,358,530.69, 18,432,805.65 and 7,477,859.23

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Solution

The fourth proportional to 13,358,530.69, 18,432,805.65 and 7,477,859.23 is: 10,318,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,530.69 : 18,432,805.65 = 7,477,859.23 : x
  2. Step 2: Convert to fraction form
    13,358,530.69/18,432,805.65 = 7,477,859.23/x
  3. Step 3: Cross multiply
    13,358,530.69x = 18,432,805.65 × 7,477,859.23
  4. Step 4: Simplify right side
    13,358,530.69x = 137,837,925,864,648.64
  5. Step 5: Solve for x
    x = 137,837,925,864,648.64/13,358,530.69
  6. Step 6: Final answer
    x = 10,318,344.81

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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.