Home / 7,070,809.21-10,604,532.12-1,953,125.80

Finding the Fourth Proportional to 7,070,809.21, 10,604,532.12 and 1,953,125.80

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Solution

The fourth proportional to 7,070,809.21, 10,604,532.12 and 1,953,125.80 is: 2,929,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,809.21 : 10,604,532.12 = 1,953,125.80 : x
  2. Step 2: Convert to fraction form
    7,070,809.21/10,604,532.12 = 1,953,125.80/x
  3. Step 3: Cross multiply
    7,070,809.21x = 10,604,532.12 × 1,953,125.80
  4. Step 4: Simplify right side
    7,070,809.21x = 20,711,985,280,500.70
  5. Step 5: Solve for x
    x = 20,711,985,280,500.70/7,070,809.21
  6. Step 6: Final answer
    x = 2,929,224.18

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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.