Home / 19,980,439.84-27,572,952.70-10,813,082.60

Finding the Fourth Proportional to 19,980,439.84, 27,572,952.70 and 10,813,082.60

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Solution

The fourth proportional to 19,980,439.84, 27,572,952.70 and 10,813,082.60 is: 14,922,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,439.84 : 27,572,952.70 = 10,813,082.60 : x
  2. Step 2: Convert to fraction form
    19,980,439.84/27,572,952.70 = 10,813,082.60/x
  3. Step 3: Cross multiply
    19,980,439.84x = 27,572,952.70 × 10,813,082.60
  4. Step 4: Simplify right side
    19,980,439.84x = 298,148,615,070,993
  5. Step 5: Solve for x
    x = 298,148,615,070,993/19,980,439.84
  6. Step 6: Final answer
    x = 14,922,024.61

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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.