Home / 12,960,014.40-19,440,021.60-10,692,532.80

Finding the Fourth Proportional to 12,960,014.40, 19,440,021.60 and 10,692,532.80

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Solution

The fourth proportional to 12,960,014.40, 19,440,021.60 and 10,692,532.80 is: 16,038,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,014.40 : 19,440,021.60 = 10,692,532.80 : x
  2. Step 2: Convert to fraction form
    12,960,014.40/19,440,021.60 = 10,692,532.80/x
  3. Step 3: Cross multiply
    12,960,014.40x = 19,440,021.60 × 10,692,532.80
  4. Step 4: Simplify right side
    12,960,014.40x = 207,863,068,590,708.50
  5. Step 5: Solve for x
    x = 207,863,068,590,708.50/12,960,014.40
  6. Step 6: Final answer
    x = 16,038,799.20

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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.