Home / 9,979,206.72-13,771,302.60-5,628,284.16

Finding the Fourth Proportional to 9,979,206.72, 13,771,302.60 and 5,628,284.16

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Solution

The fourth proportional to 9,979,206.72, 13,771,302.60 and 5,628,284.16 is: 7,767,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,206.72 : 13,771,302.60 = 5,628,284.16 : x
  2. Step 2: Convert to fraction form
    9,979,206.72/13,771,302.60 = 5,628,284.16/x
  3. Step 3: Cross multiply
    9,979,206.72x = 13,771,302.60 × 5,628,284.16
  4. Step 4: Simplify right side
    9,979,206.72x = 77,508,804,286,146.81
  5. Step 5: Solve for x
    x = 77,508,804,286,146.81/9,979,206.72
  6. Step 6: Final answer
    x = 7,767,030.63

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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.