Home / 7,328,577.60-10,992,866.40-5,439,009.60

Finding the Fourth Proportional to 7,328,577.60, 10,992,866.40 and 5,439,009.60

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Solution

The fourth proportional to 7,328,577.60, 10,992,866.40 and 5,439,009.60 is: 8,158,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,577.60 : 10,992,866.40 = 5,439,009.60 : x
  2. Step 2: Convert to fraction form
    7,328,577.60/10,992,866.40 = 5,439,009.60/x
  3. Step 3: Cross multiply
    7,328,577.60x = 10,992,866.40 × 5,439,009.60
  4. Step 4: Simplify right side
    7,328,577.60x = 59,790,305,881,117.44
  5. Step 5: Solve for x
    x = 59,790,305,881,117.44/7,328,577.60
  6. Step 6: Final answer
    x = 8,158,514.40

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1.5x scale

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.