Home / 8,316,742.76-11,477,200.74-4,879,042.28

Finding the Fourth Proportional to 8,316,742.76, 11,477,200.74 and 4,879,042.28

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Solution

The fourth proportional to 8,316,742.76, 11,477,200.74 and 4,879,042.28 is: 6,733,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,742.76 : 11,477,200.74 = 4,879,042.28 : x
  2. Step 2: Convert to fraction form
    8,316,742.76/11,477,200.74 = 4,879,042.28/x
  3. Step 3: Cross multiply
    8,316,742.76x = 11,477,200.74 × 4,879,042.28
  4. Step 4: Simplify right side
    8,316,742.76x = 55,997,747,666,507.29
  5. Step 5: Solve for x
    x = 55,997,747,666,507.29/8,316,742.76
  6. Step 6: Final answer
    x = 6,733,134.51

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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.