Home / 19,316,110.80-28,963,668.60-7,957,707.60

Finding the Fourth Proportional to 19,316,110.80, 28,963,668.60 and 7,957,707.60

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Solution

The fourth proportional to 19,316,110.80, 28,963,668.60 and 7,957,707.60 is: 11,932,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,110.80 : 28,963,668.60 = 7,957,707.60 : x
  2. Step 2: Convert to fraction form
    19,316,110.80/28,963,668.60 = 7,957,707.60/x
  3. Step 3: Cross multiply
    19,316,110.80x = 28,963,668.60 × 7,957,707.60
  4. Step 4: Simplify right side
    19,316,110.80x = 230,484,405,742,101.38
  5. Step 5: Solve for x
    x = 230,484,405,742,101.38/19,316,110.80
  6. Step 6: Final answer
    x = 11,932,236.68

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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.