Home / 12,960,950.40-19,432,094.40-7,282,915.20

Finding the Fourth Proportional to 12,960,950.40, 19,432,094.40 and 7,282,915.20

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Solution

The fourth proportional to 12,960,950.40, 19,432,094.40 and 7,282,915.20 is: 10,919,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,950.40 : 19,432,094.40 = 7,282,915.20 : x
  2. Step 2: Convert to fraction form
    12,960,950.40/19,432,094.40 = 7,282,915.20/x
  3. Step 3: Cross multiply
    12,960,950.40x = 19,432,094.40 × 7,282,915.20
  4. Step 4: Simplify right side
    12,960,950.40x = 141,522,295,673,594.88
  5. Step 5: Solve for x
    x = 141,522,295,673,594.88/12,960,950.40
  6. Step 6: Final answer
    x = 10,919,129.49

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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.