Home / 8,018,998.80-12,031,954.20-4,656,080.40

Finding the Fourth Proportional to 8,018,998.80, 12,031,954.20 and 4,656,080.40

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Solution

The fourth proportional to 8,018,998.80, 12,031,954.20 and 4,656,080.40 is: 6,986,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,998.80 : 12,031,954.20 = 4,656,080.40 : x
  2. Step 2: Convert to fraction form
    8,018,998.80/12,031,954.20 = 4,656,080.40/x
  3. Step 3: Cross multiply
    8,018,998.80x = 12,031,954.20 × 4,656,080.40
  4. Step 4: Simplify right side
    8,018,998.80x = 56,021,746,124,317.68
  5. Step 5: Solve for x
    x = 56,021,746,124,317.68/8,018,998.80
  6. Step 6: Final answer
    x = 6,986,127.26

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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.