Home / 13,266,720.64-18,307,860.06-7,465,499.02

Finding the Fourth Proportional to 13,266,720.64, 18,307,860.06 and 7,465,499.02

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Solution

The fourth proportional to 13,266,720.64, 18,307,860.06 and 7,465,499.02 is: 10,302,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266,720.64 : 18,307,860.06 = 7,465,499.02 : x
  2. Step 2: Convert to fraction form
    13,266,720.64/18,307,860.06 = 7,465,499.02/x
  3. Step 3: Cross multiply
    13,266,720.64x = 18,307,860.06 × 7,465,499.02
  4. Step 4: Simplify right side
    13,266,720.64x = 136,677,311,336,227.12
  5. Step 5: Solve for x
    x = 136,677,311,336,227.12/13,266,720.64
  6. Step 6: Final answer
    x = 10,302,267.99

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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.