Home / 11,189,990.58-16,784,985.87-7,402,587.72

Finding the Fourth Proportional to 11,189,990.58, 16,784,985.87 and 7,402,587.72

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Solution

The fourth proportional to 11,189,990.58, 16,784,985.87 and 7,402,587.72 is: 11,103,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189,990.58 : 16,784,985.87 = 7,402,587.72 : x
  2. Step 2: Convert to fraction form
    11,189,990.58/16,784,985.87 = 7,402,587.72/x
  3. Step 3: Cross multiply
    11,189,990.58x = 16,784,985.87 × 7,402,587.72
  4. Step 4: Simplify right side
    11,189,990.58x = 124,252,330,281,635.52
  5. Step 5: Solve for x
    x = 124,252,330,281,635.52/11,189,990.58
  6. Step 6: Final answer
    x = 11,103,881.58

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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.