Home / 12,139,041.21-16,751,678.72-6,632,297.55

Finding the Fourth Proportional to 12,139,041.21, 16,751,678.72 and 6,632,297.55

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Solution

The fourth proportional to 12,139,041.21, 16,751,678.72 and 6,632,297.55 is: 9,152,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,041.21 : 16,751,678.72 = 6,632,297.55 : x
  2. Step 2: Convert to fraction form
    12,139,041.21/16,751,678.72 = 6,632,297.55/x
  3. Step 3: Cross multiply
    12,139,041.21x = 16,751,678.72 × 6,632,297.55
  4. Step 4: Simplify right side
    12,139,041.21x = 111,102,117,699,881.64
  5. Step 5: Solve for x
    x = 111,102,117,699,881.64/12,139,041.21
  6. Step 6: Final answer
    x = 9,152,462.35

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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.