Home / 9,979,956.36-13,772,349.54-5,396,276.52

Finding the Fourth Proportional to 9,979,956.36, 13,772,349.54 and 5,396,276.52

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Solution

The fourth proportional to 9,979,956.36, 13,772,349.54 and 5,396,276.52 is: 7,446,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,956.36 : 13,772,349.54 = 5,396,276.52 : x
  2. Step 2: Convert to fraction form
    9,979,956.36/13,772,349.54 = 5,396,276.52/x
  3. Step 3: Cross multiply
    9,979,956.36x = 13,772,349.54 × 5,396,276.52
  4. Step 4: Simplify right side
    9,979,956.36x = 74,319,406,447,934.80
  5. Step 5: Solve for x
    x = 74,319,406,447,934.80/9,979,956.36
  6. Step 6: Final answer
    x = 7,446,866.88

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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.