Home / 8,876,929.32-12,249,464.76-5,438,702.88

Finding the Fourth Proportional to 8,876,929.32, 12,249,464.76 and 5,438,702.88

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Solution

The fourth proportional to 8,876,929.32, 12,249,464.76 and 5,438,702.88 is: 7,504,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,929.32 : 12,249,464.76 = 5,438,702.88 : x
  2. Step 2: Convert to fraction form
    8,876,929.32/12,249,464.76 = 5,438,702.88/x
  3. Step 3: Cross multiply
    8,876,929.32x = 12,249,464.76 × 5,438,702.88
  4. Step 4: Simplify right side
    8,876,929.32x = 66,621,199,268,670.51
  5. Step 5: Solve for x
    x = 66,621,199,268,670.51/8,876,929.32
  6. Step 6: Final answer
    x = 7,504,982.51

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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.