Home / 13,580,642.93-20,370,969.93-3,345,701.84

Finding the Fourth Proportional to 13,580,642.93, 20,370,969.93 and 3,345,701.84

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Solution

The fourth proportional to 13,580,642.93, 20,370,969.93 and 3,345,701.84 is: 5,018,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,642.93 : 20,370,969.93 = 3,345,701.84 : x
  2. Step 2: Convert to fraction form
    13,580,642.93/20,370,969.93 = 3,345,701.84/x
  3. Step 3: Cross multiply
    13,580,642.93x = 20,370,969.93 × 3,345,701.84
  4. Step 4: Simplify right side
    13,580,642.93x = 68,155,191,475,530.82
  5. Step 5: Solve for x
    x = 68,155,191,475,530.82/13,580,642.93
  6. Step 6: Final answer
    x = 5,018,554.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.