Home / 9,152,220.21-12,630,065.45-5,077,829.49

Finding the Fourth Proportional to 9,152,220.21, 12,630,065.45 and 5,077,829.49

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Solution

The fourth proportional to 9,152,220.21, 12,630,065.45 and 5,077,829.49 is: 7,007,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152,220.21 : 12,630,065.45 = 5,077,829.49 : x
  2. Step 2: Convert to fraction form
    9,152,220.21/12,630,065.45 = 5,077,829.49/x
  3. Step 3: Cross multiply
    9,152,220.21x = 12,630,065.45 × 5,077,829.49
  4. Step 4: Simplify right side
    9,152,220.21x = 64,133,318,777,250.98
  5. Step 5: Solve for x
    x = 64,133,318,777,250.98/9,152,220.21
  6. Step 6: Final answer
    x = 7,007,405.56

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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.