Home / 8,428,580.55-11,630,189.93-5,119,152.62

Finding the Fourth Proportional to 8,428,580.55, 11,630,189.93 and 5,119,152.62

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Solution

The fourth proportional to 8,428,580.55, 11,630,189.93 and 5,119,152.62 is: 7,063,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,580.55 : 11,630,189.93 = 5,119,152.62 : x
  2. Step 2: Convert to fraction form
    8,428,580.55/11,630,189.93 = 5,119,152.62/x
  3. Step 3: Cross multiply
    8,428,580.55x = 11,630,189.93 × 5,119,152.62
  4. Step 4: Simplify right side
    8,428,580.55x = 59,536,717,167,510.41
  5. Step 5: Solve for x
    x = 59,536,717,167,510.41/8,428,580.55
  6. Step 6: Final answer
    x = 7,063,670.66

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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.