Home / 38,619,467.96-53,295,411.66-21,217,421.48

Finding the Fourth Proportional to 38,619,467.96, 53,295,411.66 and 21,217,421.48

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Solution

The fourth proportional to 38,619,467.96, 53,295,411.66 and 21,217,421.48 is: 29,280,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619,467.96 : 53,295,411.66 = 21,217,421.48 : x
  2. Step 2: Convert to fraction form
    38,619,467.96/53,295,411.66 = 21,217,421.48/x
  3. Step 3: Cross multiply
    38,619,467.96x = 53,295,411.66 × 21,217,421.48
  4. Step 4: Simplify right side
    38,619,467.96x = 1,130,791,212,140,326.50
  5. Step 5: Solve for x
    x = 1,130,791,212,140,326.50/38,619,467.96
  6. Step 6: Final answer
    x = 29,280,341.54

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Double scale
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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.