Home / 12,960,047.10-19,440,070.65-9,600,815.10

Finding the Fourth Proportional to 12,960,047.10, 19,440,070.65 and 9,600,815.10

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Solution

The fourth proportional to 12,960,047.10, 19,440,070.65 and 9,600,815.10 is: 14,401,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,047.10 : 19,440,070.65 = 9,600,815.10 : x
  2. Step 2: Convert to fraction form
    12,960,047.10/19,440,070.65 = 9,600,815.10/x
  3. Step 3: Cross multiply
    12,960,047.10x = 19,440,070.65 × 9,600,815.10
  4. Step 4: Simplify right side
    12,960,047.10x = 186,640,523,841,586.78
  5. Step 5: Solve for x
    x = 186,640,523,841,586.78/12,960,047.10
  6. Step 6: Final answer
    x = 14,401,222.65

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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.