Home / 29,370,147.72-40,528,427.66-16,981,036.02

Finding the Fourth Proportional to 29,370,147.72, 40,528,427.66 and 16,981,036.02

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Solution

The fourth proportional to 29,370,147.72, 40,528,427.66 and 16,981,036.02 is: 23,432,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370,147.72 : 40,528,427.66 = 16,981,036.02 : x
  2. Step 2: Convert to fraction form
    29,370,147.72/40,528,427.66 = 16,981,036.02/x
  3. Step 3: Cross multiply
    29,370,147.72x = 40,528,427.66 × 16,981,036.02
  4. Step 4: Simplify right side
    29,370,147.72x = 688,214,689,928,424.25
  5. Step 5: Solve for x
    x = 688,214,689,928,424.25/29,370,147.72
  6. Step 6: Final answer
    x = 23,432,455.86

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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.