Home / 20,054,681.53-27,698,253.65-13,517,041.93

Finding the Fourth Proportional to 20,054,681.53, 27,698,253.65 and 13,517,041.93

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Solution

The fourth proportional to 20,054,681.53, 27,698,253.65 and 13,517,041.93 is: 18,668,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,681.53 : 27,698,253.65 = 13,517,041.93 : x
  2. Step 2: Convert to fraction form
    20,054,681.53/27,698,253.65 = 13,517,041.93/x
  3. Step 3: Cross multiply
    20,054,681.53x = 27,698,253.65 × 13,517,041.93
  4. Step 4: Simplify right side
    20,054,681.53x = 374,398,455,888,683.62
  5. Step 5: Solve for x
    x = 374,398,455,888,683.62/20,054,681.53
  6. Step 6: Final answer
    x = 18,668,880.65

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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.