Home / 38,742,956.52-53,469,059.07-28,936,382.91

Finding the Fourth Proportional to 38,742,956.52, 53,469,059.07 and 28,936,382.91

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Solution

The fourth proportional to 38,742,956.52, 53,469,059.07 and 28,936,382.91 is: 39,935,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742,956.52 : 53,469,059.07 = 28,936,382.91 : x
  2. Step 2: Convert to fraction form
    38,742,956.52/53,469,059.07 = 28,936,382.91/x
  3. Step 3: Cross multiply
    38,742,956.52x = 53,469,059.07 × 28,936,382.91
  4. Step 4: Simplify right side
    38,742,956.52x = 1,547,201,167,086,928.50
  5. Step 5: Solve for x
    x = 1,547,201,167,086,928.50/38,742,956.52
  6. Step 6: Final answer
    x = 39,935,030.93

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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.