Home / 13,273,019.20-19,909,528.80-6,554,555.20

Finding the Fourth Proportional to 13,273,019.20, 19,909,528.80 and 6,554,555.20

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Solution

The fourth proportional to 13,273,019.20, 19,909,528.80 and 6,554,555.20 is: 9,831,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,019.20 : 19,909,528.80 = 6,554,555.20 : x
  2. Step 2: Convert to fraction form
    13,273,019.20/19,909,528.80 = 6,554,555.20/x
  3. Step 3: Cross multiply
    13,273,019.20x = 19,909,528.80 × 6,554,555.20
  4. Step 4: Simplify right side
    13,273,019.20x = 130,498,105,525,589.77
  5. Step 5: Solve for x
    x = 130,498,105,525,589.77/13,273,019.20
  6. Step 6: Final answer
    x = 9,831,832.80

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1.5x scale

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.