Home / 19,476,959.10-29,215,438.65-18,732,941.70

Finding the Fourth Proportional to 19,476,959.10, 29,215,438.65 and 18,732,941.70

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Solution

The fourth proportional to 19,476,959.10, 29,215,438.65 and 18,732,941.70 is: 28,099,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,959.10 : 29,215,438.65 = 18,732,941.70 : x
  2. Step 2: Convert to fraction form
    19,476,959.10/29,215,438.65 = 18,732,941.70/x
  3. Step 3: Cross multiply
    19,476,959.10x = 29,215,438.65 × 18,732,941.70
  4. Step 4: Simplify right side
    19,476,959.10x = 547,291,108,970,376.62
  5. Step 5: Solve for x
    x = 547,291,108,970,376.62/19,476,959.10
  6. Step 6: Final answer
    x = 28,099,412.55

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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.