Home / 8,859,186.40-13,288,779.60-5,032,811.20

Finding the Fourth Proportional to 8,859,186.40, 13,288,779.60 and 5,032,811.20

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Solution

The fourth proportional to 8,859,186.40, 13,288,779.60 and 5,032,811.20 is: 7,549,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,186.40 : 13,288,779.60 = 5,032,811.20 : x
  2. Step 2: Convert to fraction form
    8,859,186.40/13,288,779.60 = 5,032,811.20/x
  3. Step 3: Cross multiply
    8,859,186.40x = 13,288,779.60 × 5,032,811.20
  4. Step 4: Simplify right side
    8,859,186.40x = 66,879,918,805,211.52
  5. Step 5: Solve for x
    x = 66,879,918,805,211.52/8,859,186.40
  6. Step 6: Final answer
    x = 7,549,216.80

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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.