Home / 6,688,400.40-10,031,434.20-2,426,374.80

Finding the Fourth Proportional to 6,688,400.40, 10,031,434.20 and 2,426,374.80

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Solution

The fourth proportional to 6,688,400.40, 10,031,434.20 and 2,426,374.80 is: 3,639,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,400.40 : 10,031,434.20 = 2,426,374.80 : x
  2. Step 2: Convert to fraction form
    6,688,400.40/10,031,434.20 = 2,426,374.80/x
  3. Step 3: Cross multiply
    6,688,400.40x = 10,031,434.20 × 2,426,374.80
  4. Step 4: Simplify right side
    6,688,400.40x = 24,340,019,150,738.16
  5. Step 5: Solve for x
    x = 24,340,019,150,738.16/6,688,400.40
  6. Step 6: Final answer
    x = 3,639,139.06

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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.