Home / 19,186,530.40-28,742,470.80-11,590,933.60

Finding the Fourth Proportional to 19,186,530.40, 28,742,470.80 and 11,590,933.60

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Solution

The fourth proportional to 19,186,530.40, 28,742,470.80 and 11,590,933.60 is: 17,363,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,530.40 : 28,742,470.80 = 11,590,933.60 : x
  2. Step 2: Convert to fraction form
    19,186,530.40/28,742,470.80 = 11,590,933.60/x
  3. Step 3: Cross multiply
    19,186,530.40x = 28,742,470.80 × 11,590,933.60
  4. Step 4: Simplify right side
    19,186,530.40x = 333,152,070,542,738.88
  5. Step 5: Solve for x
    x = 333,152,070,542,738.88/19,186,530.40
  6. Step 6: Final answer
    x = 17,363,851.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.