Home / 19,210,999.45-26,511,099.98-10,390,460.58

Finding the Fourth Proportional to 19,210,999.45, 26,511,099.98 and 10,390,460.58

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Solution

The fourth proportional to 19,210,999.45, 26,511,099.98 and 10,390,460.58 is: 14,338,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,999.45 : 26,511,099.98 = 10,390,460.58 : x
  2. Step 2: Convert to fraction form
    19,210,999.45/26,511,099.98 = 10,390,460.58/x
  3. Step 3: Cross multiply
    19,210,999.45x = 26,511,099.98 × 10,390,460.58
  4. Step 4: Simplify right side
    19,210,999.45x = 275,462,539,274,628.78
  5. Step 5: Solve for x
    x = 275,462,539,274,628.78/19,210,999.45
  6. Step 6: Final answer
    x = 14,338,792.73

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1.5x scale

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.