Home / 7,401,521.20-10,208,463.56-6,370,783.28

Finding the Fourth Proportional to 7,401,521.20, 10,208,463.56 and 6,370,783.28

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Solution

The fourth proportional to 7,401,521.20, 10,208,463.56 and 6,370,783.28 is: 8,786,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401,521.20 : 10,208,463.56 = 6,370,783.28 : x
  2. Step 2: Convert to fraction form
    7,401,521.20/10,208,463.56 = 6,370,783.28/x
  3. Step 3: Cross multiply
    7,401,521.20x = 10,208,463.56 × 6,370,783.28
  4. Step 4: Simplify right side
    7,401,521.20x = 65,035,908,962,537.28
  5. Step 5: Solve for x
    x = 65,035,908,962,537.28/7,401,521.20
  6. Step 6: Final answer
    x = 8,786,830.06

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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.