Home / 19,980,436.34-27,572,947.88-10,813,079.09

Finding the Fourth Proportional to 19,980,436.34, 27,572,947.88 and 10,813,079.09

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Solution

The fourth proportional to 19,980,436.34, 27,572,947.88 and 10,813,079.09 is: 14,922,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,436.34 : 27,572,947.88 = 10,813,079.09 : x
  2. Step 2: Convert to fraction form
    19,980,436.34/27,572,947.88 = 10,813,079.09/x
  3. Step 3: Cross multiply
    19,980,436.34x = 27,572,947.88 × 10,813,079.09
  4. Step 4: Simplify right side
    19,980,436.34x = 298,148,465,978,957.75
  5. Step 5: Solve for x
    x = 298,148,465,978,957.75/19,980,436.34
  6. Step 6: Final answer
    x = 14,922,019.77

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1.5x scale

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.