Home / 8,303,798.70-12,445,200.45-7,401,005.10

Finding the Fourth Proportional to 8,303,798.70, 12,445,200.45 and 7,401,005.10

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Solution

The fourth proportional to 8,303,798.70, 12,445,200.45 and 7,401,005.10 is: 11,092,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,798.70 : 12,445,200.45 = 7,401,005.10 : x
  2. Step 2: Convert to fraction form
    8,303,798.70/12,445,200.45 = 7,401,005.10/x
  3. Step 3: Cross multiply
    8,303,798.70x = 12,445,200.45 × 7,401,005.10
  4. Step 4: Simplify right side
    8,303,798.70x = 92,106,992,000,972.28
  5. Step 5: Solve for x
    x = 92,106,992,000,972.28/8,303,798.70
  6. Step 6: Final answer
    x = 11,092,151.35

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1.5x scale

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.