Home / 28,637,388.14-39,527,923.29-18,715,763.34

Finding the Fourth Proportional to 28,637,388.14, 39,527,923.29 and 18,715,763.34

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Solution

The fourth proportional to 28,637,388.14, 39,527,923.29 and 18,715,763.34 is: 25,833,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637,388.14 : 39,527,923.29 = 18,715,763.34 : x
  2. Step 2: Convert to fraction form
    28,637,388.14/39,527,923.29 = 18,715,763.34/x
  3. Step 3: Cross multiply
    28,637,388.14x = 39,527,923.29 × 18,715,763.34
  4. Step 4: Simplify right side
    28,637,388.14x = 739,795,257,547,130.12
  5. Step 5: Solve for x
    x = 739,795,257,547,130.12/28,637,388.14
  6. Step 6: Final answer
    x = 25,833,195.89

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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.