Home / 10,780,025.60-16,170,038.40-10,000,578.80

Finding the Fourth Proportional to 10,780,025.60, 16,170,038.40 and 10,000,578.80

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Solution

The fourth proportional to 10,780,025.60, 16,170,038.40 and 10,000,578.80 is: 15,000,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,025.60 : 16,170,038.40 = 10,000,578.80 : x
  2. Step 2: Convert to fraction form
    10,780,025.60/16,170,038.40 = 10,000,578.80/x
  3. Step 3: Cross multiply
    10,780,025.60x = 16,170,038.40 × 10,000,578.80
  4. Step 4: Simplify right side
    10,780,025.60x = 161,709,743,218,225.94
  5. Step 5: Solve for x
    x = 161,709,743,218,225.94/10,780,025.60
  6. Step 6: Final answer
    x = 15,000,868.20

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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.