Home / 7,401,519.45-10,208,461.15-6,370,781.53

Finding the Fourth Proportional to 7,401,519.45, 10,208,461.15 and 6,370,781.53

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Solution

The fourth proportional to 7,401,519.45, 10,208,461.15 and 6,370,781.53 is: 8,786,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401,519.45 : 10,208,461.15 = 6,370,781.53 : x
  2. Step 2: Convert to fraction form
    7,401,519.45/10,208,461.15 = 6,370,781.53/x
  3. Step 3: Cross multiply
    7,401,519.45x = 10,208,461.15 × 6,370,781.53
  4. Step 4: Simplify right side
    7,401,519.45x = 65,035,875,712,288.65
  5. Step 5: Solve for x
    x = 65,035,875,712,288.65/7,401,519.45
  6. Step 6: Final answer
    x = 8,786,827.64

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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.