Home / 20,141,438.40-30,216,094.20-8,626,883.40

Finding the Fourth Proportional to 20,141,438.40, 30,216,094.20 and 8,626,883.40

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Solution

The fourth proportional to 20,141,438.40, 30,216,094.20 and 8,626,883.40 is: 12,942,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,438.40 : 30,216,094.20 = 8,626,883.40 : x
  2. Step 2: Convert to fraction form
    20,141,438.40/30,216,094.20 = 8,626,883.40/x
  3. Step 3: Cross multiply
    20,141,438.40x = 30,216,094.20 × 8,626,883.40
  4. Step 4: Simplify right side
    20,141,438.40x = 260,670,721,466,816.28
  5. Step 5: Solve for x
    x = 260,670,721,466,816.28/20,141,438.40
  6. Step 6: Final answer
    x = 12,942,011.21

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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.