Home / 15,063,826.24-20,790,353.04-9,186,870.64

Finding the Fourth Proportional to 15,063,826.24, 20,790,353.04 and 9,186,870.64

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Solution

The fourth proportional to 15,063,826.24, 20,790,353.04 and 9,186,870.64 is: 12,679,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,826.24 : 20,790,353.04 = 9,186,870.64 : x
  2. Step 2: Convert to fraction form
    15,063,826.24/20,790,353.04 = 9,186,870.64/x
  3. Step 3: Cross multiply
    15,063,826.24x = 20,790,353.04 × 9,186,870.64
  4. Step 4: Simplify right side
    15,063,826.24x = 190,998,283,938,410.75
  5. Step 5: Solve for x
    x = 190,998,283,938,410.75/15,063,826.24
  6. Step 6: Final answer
    x = 12,679,267.60

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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.