Home / 13,772,175.42-18,975,463.47-9,118,064.46

Finding the Fourth Proportional to 13,772,175.42, 18,975,463.47 and 9,118,064.46

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Solution

The fourth proportional to 13,772,175.42, 18,975,463.47 and 9,118,064.46 is: 12,562,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,175.42 : 18,975,463.47 = 9,118,064.46 : x
  2. Step 2: Convert to fraction form
    13,772,175.42/18,975,463.47 = 9,118,064.46/x
  3. Step 3: Cross multiply
    13,772,175.42x = 18,975,463.47 × 9,118,064.46
  4. Step 4: Simplify right side
    13,772,175.42x = 173,019,499,077,835.28
  5. Step 5: Solve for x
    x = 173,019,499,077,835.28/13,772,175.42
  6. Step 6: Final answer
    x = 12,562,975.26

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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.