Home / 7,402,476-10,215,359.12-4,139,297.04

Finding the Fourth Proportional to 7,402,476, 10,215,359.12 and 4,139,297.04

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Solution

The fourth proportional to 7,402,476, 10,215,359.12 and 4,139,297.04 is: 5,712,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,476 : 10,215,359.12 = 4,139,297.04 : x
  2. Step 2: Convert to fraction form
    7,402,476/10,215,359.12 = 4,139,297.04/x
  3. Step 3: Cross multiply
    7,402,476x = 10,215,359.12 × 4,139,297.04
  4. Step 4: Simplify right side
    7,402,476x = 42,284,405,767,953
  5. Step 5: Solve for x
    x = 42,284,405,767,953/7,402,476
  6. Step 6: Final answer
    x = 5,712,197.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.