Home / 18,345,982.40-27,518,973.60-7,557,730.10

Finding the Fourth Proportional to 18,345,982.40, 27,518,973.60 and 7,557,730.10

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Solution

The fourth proportional to 18,345,982.40, 27,518,973.60 and 7,557,730.10 is: 11,336,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,982.40 : 27,518,973.60 = 7,557,730.10 : x
  2. Step 2: Convert to fraction form
    18,345,982.40/27,518,973.60 = 7,557,730.10/x
  3. Step 3: Cross multiply
    18,345,982.40x = 27,518,973.60 × 7,557,730.10
  4. Step 4: Simplify right side
    18,345,982.40x = 207,980,975,097,825.38
  5. Step 5: Solve for x
    x = 207,980,975,097,825.38/18,345,982.40
  6. Step 6: Final answer
    x = 11,336,595.15

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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.