Home / 19,210,998.15-26,511,098.18-10,390,459.28

Finding the Fourth Proportional to 19,210,998.15, 26,511,098.18 and 10,390,459.28

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Solution

The fourth proportional to 19,210,998.15, 26,511,098.18 and 10,390,459.28 is: 14,338,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,998.15 : 26,511,098.18 = 10,390,459.28 : x
  2. Step 2: Convert to fraction form
    19,210,998.15/26,511,098.18 = 10,390,459.28/x
  3. Step 3: Cross multiply
    19,210,998.15x = 26,511,098.18 × 10,390,459.28
  4. Step 4: Simplify right side
    19,210,998.15x = 275,462,486,022,280.97
  5. Step 5: Solve for x
    x = 275,462,486,022,280.97/19,210,998.15
  6. Step 6: Final answer
    x = 14,338,790.93

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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.