Home / 12,960,098.40-19,440,147.60-10,440,674.40

Finding the Fourth Proportional to 12,960,098.40, 19,440,147.60 and 10,440,674.40

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Solution

The fourth proportional to 12,960,098.40, 19,440,147.60 and 10,440,674.40 is: 15,661,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,098.40 : 19,440,147.60 = 10,440,674.40 : x
  2. Step 2: Convert to fraction form
    12,960,098.40/19,440,147.60 = 10,440,674.40/x
  3. Step 3: Cross multiply
    12,960,098.40x = 19,440,147.60 × 10,440,674.40
  4. Step 4: Simplify right side
    12,960,098.40x = 202,968,251,379,541.47
  5. Step 5: Solve for x
    x = 202,968,251,379,541.47/12,960,098.40
  6. Step 6: Final answer
    x = 15,661,011.60

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1.5x scale

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.