Home / 10,780,023.40-16,170,035.10-5,111,319.40

Finding the Fourth Proportional to 10,780,023.40, 16,170,035.10 and 5,111,319.40

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Solution

The fourth proportional to 10,780,023.40, 16,170,035.10 and 5,111,319.40 is: 7,666,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,023.40 : 16,170,035.10 = 5,111,319.40 : x
  2. Step 2: Convert to fraction form
    10,780,023.40/16,170,035.10 = 5,111,319.40/x
  3. Step 3: Cross multiply
    10,780,023.40x = 16,170,035.10 × 5,111,319.40
  4. Step 4: Simplify right side
    10,780,023.40x = 82,650,214,105,310.94
  5. Step 5: Solve for x
    x = 82,650,214,105,310.94/10,780,023.40
  6. Step 6: Final answer
    x = 7,666,979.10

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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.