Home / 15,109,779.84-20,845,577.28-9,298,472.50

Finding the Fourth Proportional to 15,109,779.84, 20,845,577.28 and 9,298,472.50

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Solution

The fourth proportional to 15,109,779.84, 20,845,577.28 and 9,298,472.50 is: 12,828,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,779.84 : 20,845,577.28 = 9,298,472.50 : x
  2. Step 2: Convert to fraction form
    15,109,779.84/20,845,577.28 = 9,298,472.50/x
  3. Step 3: Cross multiply
    15,109,779.84x = 20,845,577.28 × 9,298,472.50
  4. Step 4: Simplify right side
    15,109,779.84x = 193,832,027,084,704.81
  5. Step 5: Solve for x
    x = 193,832,027,084,704.81/15,109,779.84
  6. Step 6: Final answer
    x = 12,828,249.59

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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.