Home / 12,960,014.60-19,440,021.90-9,358,171.40

Finding the Fourth Proportional to 12,960,014.60, 19,440,021.90 and 9,358,171.40

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Solution

The fourth proportional to 12,960,014.60, 19,440,021.90 and 9,358,171.40 is: 14,037,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,014.60 : 19,440,021.90 = 9,358,171.40 : x
  2. Step 2: Convert to fraction form
    12,960,014.60/19,440,021.90 = 9,358,171.40/x
  3. Step 3: Cross multiply
    12,960,014.60x = 19,440,021.90 × 9,358,171.40
  4. Step 4: Simplify right side
    12,960,014.60x = 181,923,056,959,953.66
  5. Step 5: Solve for x
    x = 181,923,056,959,953.66/12,960,014.60
  6. Step 6: Final answer
    x = 14,037,257.10

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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.