Home / 14,528,513.28-20,051,286.36-9,386,837.40

Finding the Fourth Proportional to 14,528,513.28, 20,051,286.36 and 9,386,837.40

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Solution

The fourth proportional to 14,528,513.28, 20,051,286.36 and 9,386,837.40 is: 12,955,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528,513.28 : 20,051,286.36 = 9,386,837.40 : x
  2. Step 2: Convert to fraction form
    14,528,513.28/20,051,286.36 = 9,386,837.40/x
  3. Step 3: Cross multiply
    14,528,513.28x = 20,051,286.36 × 9,386,837.40
  4. Step 4: Simplify right side
    14,528,513.28x = 188,218,164,722,157.88
  5. Step 5: Solve for x
    x = 188,218,164,722,157.88/14,528,513.28
  6. Step 6: Final answer
    x = 12,955,087.77

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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.