Home / 7,920,416.10-11,880,523.80-2,528,998.14

Finding the Fourth Proportional to 7,920,416.10, 11,880,523.80 and 2,528,998.14

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Solution

The fourth proportional to 7,920,416.10, 11,880,523.80 and 2,528,998.14 is: 3,793,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,416.10 : 11,880,523.80 = 2,528,998.14 : x
  2. Step 2: Convert to fraction form
    7,920,416.10/11,880,523.80 = 2,528,998.14/x
  3. Step 3: Cross multiply
    7,920,416.10x = 11,880,523.80 × 2,528,998.14
  4. Step 4: Simplify right side
    7,920,416.10x = 30,045,822,592,425.73
  5. Step 5: Solve for x
    x = 30,045,822,592,425.73/7,920,416.10
  6. Step 6: Final answer
    x = 3,793,465.17

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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.