Home / 13,803,568.80-20,713,226.40-5,290,015.20

Finding the Fourth Proportional to 13,803,568.80, 20,713,226.40 and 5,290,015.20

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Solution

The fourth proportional to 13,803,568.80, 20,713,226.40 and 5,290,015.20 is: 7,938,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,568.80 : 20,713,226.40 = 5,290,015.20 : x
  2. Step 2: Convert to fraction form
    13,803,568.80/20,713,226.40 = 5,290,015.20/x
  3. Step 3: Cross multiply
    13,803,568.80x = 20,713,226.40 × 5,290,015.20
  4. Step 4: Simplify right side
    13,803,568.80x = 109,573,282,497,041.28
  5. Step 5: Solve for x
    x = 109,573,282,497,041.28/13,803,568.80
  6. Step 6: Final answer
    x = 7,938,040.09

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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.