Home / 9,160,817.39-12,643,483.01-5,295,579.20

Finding the Fourth Proportional to 9,160,817.39, 12,643,483.01 and 5,295,579.20

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Solution

The fourth proportional to 9,160,817.39, 12,643,483.01 and 5,295,579.20 is: 7,308,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160,817.39 : 12,643,483.01 = 5,295,579.20 : x
  2. Step 2: Convert to fraction form
    9,160,817.39/12,643,483.01 = 5,295,579.20/x
  3. Step 3: Cross multiply
    9,160,817.39x = 12,643,483.01 × 5,295,579.20
  4. Step 4: Simplify right side
    9,160,817.39x = 66,954,565,553,614.09
  5. Step 5: Solve for x
    x = 66,954,565,553,614.09/9,160,817.39
  6. Step 6: Final answer
    x = 7,308,798.19

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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.