Home / 9,272,301-12,796,561.36-5,143,662.40

Finding the Fourth Proportional to 9,272,301, 12,796,561.36 and 5,143,662.40

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Solution

The fourth proportional to 9,272,301, 12,796,561.36 and 5,143,662.40 is: 7,098,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272,301 : 12,796,561.36 = 5,143,662.40 : x
  2. Step 2: Convert to fraction form
    9,272,301/12,796,561.36 = 5,143,662.40/x
  3. Step 3: Cross multiply
    9,272,301x = 12,796,561.36 × 5,143,662.40
  4. Step 4: Simplify right side
    9,272,301x = 65,821,191,516,724.87
  5. Step 5: Solve for x
    x = 65,821,191,516,724.87/9,272,301
  6. Step 6: Final answer
    x = 7,098,690.12

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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.