Home / 38,742,957.52-53,469,060.45-28,936,383.91

Finding the Fourth Proportional to 38,742,957.52, 53,469,060.45 and 28,936,383.91

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Solution

The fourth proportional to 38,742,957.52, 53,469,060.45 and 28,936,383.91 is: 39,935,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742,957.52 : 53,469,060.45 = 28,936,383.91 : x
  2. Step 2: Convert to fraction form
    38,742,957.52/53,469,060.45 = 28,936,383.91/x
  3. Step 3: Cross multiply
    38,742,957.52x = 53,469,060.45 × 28,936,383.91
  4. Step 4: Simplify right side
    38,742,957.52x = 1,547,201,260,488,197.50
  5. Step 5: Solve for x
    x = 1,547,201,260,488,197.50/38,742,957.52
  6. Step 6: Final answer
    x = 39,935,032.31

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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.