Home / 29,370,145.72-40,528,424.90-16,981,034.02

Finding the Fourth Proportional to 29,370,145.72, 40,528,424.90 and 16,981,034.02

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Solution

The fourth proportional to 29,370,145.72, 40,528,424.90 and 16,981,034.02 is: 23,432,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370,145.72 : 40,528,424.90 = 16,981,034.02 : x
  2. Step 2: Convert to fraction form
    29,370,145.72/40,528,424.90 = 16,981,034.02/x
  3. Step 3: Cross multiply
    29,370,145.72x = 40,528,424.90 × 16,981,034.02
  4. Step 4: Simplify right side
    29,370,145.72x = 688,214,562,011,302.38
  5. Step 5: Solve for x
    x = 688,214,562,011,302.38/29,370,145.72
  6. Step 6: Final answer
    x = 23,432,453.10

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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.