Home / 19,934,999.10-29,893,641.30-7,800,429.60

Finding the Fourth Proportional to 19,934,999.10, 29,893,641.30 and 7,800,429.60

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Solution

The fourth proportional to 19,934,999.10, 29,893,641.30 and 7,800,429.60 is: 11,697,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934,999.10 : 29,893,641.30 = 7,800,429.60 : x
  2. Step 2: Convert to fraction form
    19,934,999.10/29,893,641.30 = 7,800,429.60/x
  3. Step 3: Cross multiply
    19,934,999.10x = 29,893,641.30 × 7,800,429.60
  4. Step 4: Simplify right side
    19,934,999.10x = 233,183,244,448,302.47
  5. Step 5: Solve for x
    x = 233,183,244,448,302.47/19,934,999.10
  6. Step 6: Final answer
    x = 11,697,178.58

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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.