Home / 8,240,107.40-12,365,409.90-4,828,387.40

Finding the Fourth Proportional to 8,240,107.40, 12,365,409.90 and 4,828,387.40

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Solution

The fourth proportional to 8,240,107.40, 12,365,409.90 and 4,828,387.40 is: 7,245,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,107.40 : 12,365,409.90 = 4,828,387.40 : x
  2. Step 2: Convert to fraction form
    8,240,107.40/12,365,409.90 = 4,828,387.40/x
  3. Step 3: Cross multiply
    8,240,107.40x = 12,365,409.90 × 4,828,387.40
  4. Step 4: Simplify right side
    8,240,107.40x = 59,704,989,356,995.27
  5. Step 5: Solve for x
    x = 59,704,989,356,995.27/8,240,107.40
  6. Step 6: Final answer
    x = 7,245,656.70

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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.