Home / 7,637,904.28-11,450,421.78-3,316,703.32

Finding the Fourth Proportional to 7,637,904.28, 11,450,421.78 and 3,316,703.32

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Solution

The fourth proportional to 7,637,904.28, 11,450,421.78 and 3,316,703.32 is: 4,972,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637,904.28 : 11,450,421.78 = 3,316,703.32 : x
  2. Step 2: Convert to fraction form
    7,637,904.28/11,450,421.78 = 3,316,703.32/x
  3. Step 3: Cross multiply
    7,637,904.28x = 11,450,421.78 × 3,316,703.32
  4. Step 4: Simplify right side
    7,637,904.28x = 37,977,651,933,126.30
  5. Step 5: Solve for x
    x = 37,977,651,933,126.30/7,637,904.28
  6. Step 6: Final answer
    x = 4,972,260.79

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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.