Home / 17,223,690.84-25,817,792.40-7,643,581.08

Finding the Fourth Proportional to 17,223,690.84, 25,817,792.40 and 7,643,581.08

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Solution

The fourth proportional to 17,223,690.84, 25,817,792.40 and 7,643,581.08 is: 11,457,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,223,690.84 : 25,817,792.40 = 7,643,581.08 : x
  2. Step 2: Convert to fraction form
    17,223,690.84/25,817,792.40 = 7,643,581.08/x
  3. Step 3: Cross multiply
    17,223,690.84x = 25,817,792.40 × 7,643,581.08
  4. Step 4: Simplify right side
    17,223,690.84x = 197,340,389,516,007.78
  5. Step 5: Solve for x
    x = 197,340,389,516,007.78/17,223,690.84
  6. Step 6: Final answer
    x = 11,457,497.20

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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.