Home / 14,977,361.92-20,662,194.54-8,779,266.40

Finding the Fourth Proportional to 14,977,361.92, 20,662,194.54 and 8,779,266.40

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Solution

The fourth proportional to 14,977,361.92, 20,662,194.54 and 8,779,266.40 is: 12,111,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977,361.92 : 20,662,194.54 = 8,779,266.40 : x
  2. Step 2: Convert to fraction form
    14,977,361.92/20,662,194.54 = 8,779,266.40/x
  3. Step 3: Cross multiply
    14,977,361.92x = 20,662,194.54 × 8,779,266.40
  4. Step 4: Simplify right side
    14,977,361.92x = 181,398,910,275,285.47
  5. Step 5: Solve for x
    x = 181,398,910,275,285.47/14,977,361.92
  6. Step 6: Final answer
    x = 12,111,539.49

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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.