Home / 7,382,280.80-11,073,421.20-4,140,490.70

Finding the Fourth Proportional to 7,382,280.80, 11,073,421.20 and 4,140,490.70

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Solution

The fourth proportional to 7,382,280.80, 11,073,421.20 and 4,140,490.70 is: 6,210,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,280.80 : 11,073,421.20 = 4,140,490.70 : x
  2. Step 2: Convert to fraction form
    7,382,280.80/11,073,421.20 = 4,140,490.70/x
  3. Step 3: Cross multiply
    7,382,280.80x = 11,073,421.20 × 4,140,490.70
  4. Step 4: Simplify right side
    7,382,280.80x = 45,849,397,495,782.84
  5. Step 5: Solve for x
    x = 45,849,397,495,782.84/7,382,280.80
  6. Step 6: Final answer
    x = 6,210,736.05

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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.