Home / 8,685,208.08-11,985,543-4,817,689.20

Finding the Fourth Proportional to 8,685,208.08, 11,985,543 and 4,817,689.20

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Solution

The fourth proportional to 8,685,208.08, 11,985,543 and 4,817,689.20 is: 6,648,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,208.08 : 11,985,543 = 4,817,689.20 : x
  2. Step 2: Convert to fraction form
    8,685,208.08/11,985,543 = 4,817,689.20/x
  3. Step 3: Cross multiply
    8,685,208.08x = 11,985,543 × 4,817,689.20
  4. Step 4: Simplify right side
    8,685,208.08x = 57,742,621,067,235.60
  5. Step 5: Solve for x
    x = 57,742,621,067,235.60/8,685,208.08
  6. Step 6: Final answer
    x = 6,648,386.61

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1.5x scale

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.