Home / 34,695,454.80-52,005,857.40-13,121,720.40

Finding the Fourth Proportional to 34,695,454.80, 52,005,857.40 and 13,121,720.40

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Solution

The fourth proportional to 34,695,454.80, 52,005,857.40 and 13,121,720.40 is: 19,668,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695,454.80 : 52,005,857.40 = 13,121,720.40 : x
  2. Step 2: Convert to fraction form
    34,695,454.80/52,005,857.40 = 13,121,720.40/x
  3. Step 3: Cross multiply
    34,695,454.80x = 52,005,857.40 × 13,121,720.40
  4. Step 4: Simplify right side
    34,695,454.80x = 682,406,319,965,071
  5. Step 5: Solve for x
    x = 682,406,319,965,071/34,695,454.80
  6. Step 6: Final answer
    x = 19,668,464.47

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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.