Home / 7,675,172.28-11,518,774.56-5,354,574.12

Finding the Fourth Proportional to 7,675,172.28, 11,518,774.56 and 5,354,574.12

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Solution

The fourth proportional to 7,675,172.28, 11,518,774.56 and 5,354,574.12 is: 8,036,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675,172.28 : 11,518,774.56 = 5,354,574.12 : x
  2. Step 2: Convert to fraction form
    7,675,172.28/11,518,774.56 = 5,354,574.12/x
  3. Step 3: Cross multiply
    7,675,172.28x = 11,518,774.56 × 5,354,574.12
  4. Step 4: Simplify right side
    7,675,172.28x = 61,678,132,153,090.39
  5. Step 5: Solve for x
    x = 61,678,132,153,090.39/7,675,172.28
  6. Step 6: Final answer
    x = 8,036,058.33

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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.