Home / 12,966,679.50-17,894,706.51-7,460,890.90

Finding the Fourth Proportional to 12,966,679.50, 17,894,706.51 and 7,460,890.90

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Solution

The fourth proportional to 12,966,679.50, 17,894,706.51 and 7,460,890.90 is: 10,296,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966,679.50 : 17,894,706.51 = 7,460,890.90 : x
  2. Step 2: Convert to fraction form
    12,966,679.50/17,894,706.51 = 7,460,890.90/x
  3. Step 3: Cross multiply
    12,966,679.50x = 17,894,706.51 × 7,460,890.90
  4. Step 4: Simplify right side
    12,966,679.50x = 133,510,452,958,629.78
  5. Step 5: Solve for x
    x = 133,510,452,958,629.78/12,966,679.50
  6. Step 6: Final answer
    x = 10,296,425.77

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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.