Home / 19,186,542.40-28,742,488.80-11,590,945.60

Finding the Fourth Proportional to 19,186,542.40, 28,742,488.80 and 11,590,945.60

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Solution

The fourth proportional to 19,186,542.40, 28,742,488.80 and 11,590,945.60 is: 17,363,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,542.40 : 28,742,488.80 = 11,590,945.60 : x
  2. Step 2: Convert to fraction form
    19,186,542.40/28,742,488.80 = 11,590,945.60/x
  3. Step 3: Cross multiply
    19,186,542.40x = 28,742,488.80 × 11,590,945.60
  4. Step 4: Simplify right side
    19,186,542.40x = 333,152,624,089,409.25
  5. Step 5: Solve for x
    x = 333,152,624,089,409.25/19,186,542.40
  6. Step 6: Final answer
    x = 17,363,869.80

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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.