Home / 13,209,955.80-19,796,271.30-9,771,408.60

Finding the Fourth Proportional to 13,209,955.80, 19,796,271.30 and 9,771,408.60

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Solution

The fourth proportional to 13,209,955.80, 19,796,271.30 and 9,771,408.60 is: 14,643,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,955.80 : 19,796,271.30 = 9,771,408.60 : x
  2. Step 2: Convert to fraction form
    13,209,955.80/19,796,271.30 = 9,771,408.60/x
  3. Step 3: Cross multiply
    13,209,955.80x = 19,796,271.30 × 9,771,408.60
  4. Step 4: Simplify right side
    13,209,955.80x = 193,437,455,628,753.19
  5. Step 5: Solve for x
    x = 193,437,455,628,753.19/13,209,955.80
  6. Step 6: Final answer
    x = 14,643,308.32

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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.