Home / 13,465,688.25-18,583,108.35-7,963,779.45

Finding the Fourth Proportional to 13,465,688.25, 18,583,108.35 and 7,963,779.45

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Solution

The fourth proportional to 13,465,688.25, 18,583,108.35 and 7,963,779.45 is: 10,990,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,688.25 : 18,583,108.35 = 7,963,779.45 : x
  2. Step 2: Convert to fraction form
    13,465,688.25/18,583,108.35 = 7,963,779.45/x
  3. Step 3: Cross multiply
    13,465,688.25x = 18,583,108.35 × 7,963,779.45
  4. Step 4: Simplify right side
    13,465,688.25x = 147,991,776,394,853.44
  5. Step 5: Solve for x
    x = 147,991,776,394,853.44/13,465,688.25
  6. Step 6: Final answer
    x = 10,990,286.84

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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.