Home / 34,098,931.72-51,180,734.27-21,105,779.23

Finding the Fourth Proportional to 34,098,931.72, 51,180,734.27 and 21,105,779.23

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Solution

The fourth proportional to 34,098,931.72, 51,180,734.27 and 21,105,779.23 is: 31,678,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,098,931.72 : 51,180,734.27 = 21,105,779.23 : x
  2. Step 2: Convert to fraction form
    34,098,931.72/51,180,734.27 = 21,105,779.23/x
  3. Step 3: Cross multiply
    34,098,931.72x = 51,180,734.27 × 21,105,779.23
  4. Step 4: Simplify right side
    34,098,931.72x = 1,080,209,278,042,044
  5. Step 5: Solve for x
    x = 1,080,209,278,042,044/34,098,931.72
  6. Step 6: Final answer
    x = 31,678,683.87

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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.