Home / 12,146,463.63-16,762,117.32-6,639,861.45

Finding the Fourth Proportional to 12,146,463.63, 16,762,117.32 and 6,639,861.45

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Solution

The fourth proportional to 12,146,463.63, 16,762,117.32 and 6,639,861.45 is: 9,163,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,463.63 : 16,762,117.32 = 6,639,861.45 : x
  2. Step 2: Convert to fraction form
    12,146,463.63/16,762,117.32 = 6,639,861.45/x
  3. Step 3: Cross multiply
    12,146,463.63x = 16,762,117.32 × 6,639,861.45
  4. Step 4: Simplify right side
    12,146,463.63x = 111,298,136,613,445.31
  5. Step 5: Solve for x
    x = 111,298,136,613,445.31/12,146,463.63
  6. Step 6: Final answer
    x = 9,163,007.44

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1.5x scale

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.