Home / 8,200,893.60-12,301,340.40-7,319,095.20

Finding the Fourth Proportional to 8,200,893.60, 12,301,340.40 and 7,319,095.20

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Solution

The fourth proportional to 8,200,893.60, 12,301,340.40 and 7,319,095.20 is: 10,978,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,893.60 : 12,301,340.40 = 7,319,095.20 : x
  2. Step 2: Convert to fraction form
    8,200,893.60/12,301,340.40 = 7,319,095.20/x
  3. Step 3: Cross multiply
    8,200,893.60x = 12,301,340.40 × 7,319,095.20
  4. Step 4: Simplify right side
    8,200,893.60x = 90,034,681,475,206.08
  5. Step 5: Solve for x
    x = 90,034,681,475,206.08/8,200,893.60
  6. Step 6: Final answer
    x = 10,978,642.80

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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.