Home / 19,210,998.83-26,511,099.12-10,390,459.95

Finding the Fourth Proportional to 19,210,998.83, 26,511,099.12 and 10,390,459.95

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Solution

The fourth proportional to 19,210,998.83, 26,511,099.12 and 10,390,459.95 is: 14,338,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,998.83 : 26,511,099.12 = 10,390,459.95 : x
  2. Step 2: Convert to fraction form
    19,210,998.83/26,511,099.12 = 10,390,459.95/x
  3. Step 3: Cross multiply
    19,210,998.83x = 26,511,099.12 × 10,390,459.95
  4. Step 4: Simplify right side
    19,210,998.83x = 275,462,513,636,840.25
  5. Step 5: Solve for x
    x = 275,462,513,636,840.25/19,210,998.83
  6. Step 6: Final answer
    x = 14,338,791.86

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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.