Home / 21,672,582.40-29,909,507.44-12,014,790.40

Finding the Fourth Proportional to 21,672,582.40, 29,909,507.44 and 12,014,790.40

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Solution

The fourth proportional to 21,672,582.40, 29,909,507.44 and 12,014,790.40 is: 16,581,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,672,582.40 : 29,909,507.44 = 12,014,790.40 : x
  2. Step 2: Convert to fraction form
    21,672,582.40/29,909,507.44 = 12,014,790.40/x
  3. Step 3: Cross multiply
    21,672,582.40x = 29,909,507.44 × 12,014,790.40
  4. Step 4: Simplify right side
    21,672,582.40x = 359,356,462,858,840.62
  5. Step 5: Solve for x
    x = 359,356,462,858,840.62/21,672,582.40
  6. Step 6: Final answer
    x = 16,581,155.68

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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.