Home / 10,780,312.40-16,170,468.60-6,290,277.20

Finding the Fourth Proportional to 10,780,312.40, 16,170,468.60 and 6,290,277.20

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Solution

The fourth proportional to 10,780,312.40, 16,170,468.60 and 6,290,277.20 is: 9,435,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,312.40 : 16,170,468.60 = 6,290,277.20 : x
  2. Step 2: Convert to fraction form
    10,780,312.40/16,170,468.60 = 6,290,277.20/x
  3. Step 3: Cross multiply
    10,780,312.40x = 16,170,468.60 × 6,290,277.20
  4. Step 4: Simplify right side
    10,780,312.40x = 101,716,729,947,895.92
  5. Step 5: Solve for x
    x = 101,716,729,947,895.92/10,780,312.40
  6. Step 6: Final answer
    x = 9,435,415.80

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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.