Home / 12,512,807.91-18,762,369.62-9,935,667.44

Finding the Fourth Proportional to 12,512,807.91, 18,762,369.62 and 9,935,667.44

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Solution

The fourth proportional to 12,512,807.91, 18,762,369.62 and 9,935,667.44 is: 14,898,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512,807.91 : 18,762,369.62 = 9,935,667.44 : x
  2. Step 2: Convert to fraction form
    12,512,807.91/18,762,369.62 = 9,935,667.44/x
  3. Step 3: Cross multiply
    12,512,807.91x = 18,762,369.62 × 9,935,667.44
  4. Step 4: Simplify right side
    12,512,807.91x = 186,416,664,857,547.88
  5. Step 5: Solve for x
    x = 186,416,664,857,547.88/12,512,807.91
  6. Step 6: Final answer
    x = 14,898,068.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.