Home / 12,074,312.27-16,671,903.60-9,279,007.87

Finding the Fourth Proportional to 12,074,312.27, 16,671,903.60 and 9,279,007.87

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Solution

The fourth proportional to 12,074,312.27, 16,671,903.60 and 9,279,007.87 is: 12,812,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,312.27 : 16,671,903.60 = 9,279,007.87 : x
  2. Step 2: Convert to fraction form
    12,074,312.27/16,671,903.60 = 9,279,007.87/x
  3. Step 3: Cross multiply
    12,074,312.27x = 16,671,903.60 × 9,279,007.87
  4. Step 4: Simplify right side
    12,074,312.27x = 154,698,724,630,193.78
  5. Step 5: Solve for x
    x = 154,698,724,630,193.78/12,074,312.27
  6. Step 6: Final answer
    x = 12,812,218.30

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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.