Home / 6,688,403.40-10,031,438.70-2,426,377.80

Finding the Fourth Proportional to 6,688,403.40, 10,031,438.70 and 2,426,377.80

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Solution

The fourth proportional to 6,688,403.40, 10,031,438.70 and 2,426,377.80 is: 3,639,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,403.40 : 10,031,438.70 = 2,426,377.80 : x
  2. Step 2: Convert to fraction form
    6,688,403.40/10,031,438.70 = 2,426,377.80/x
  3. Step 3: Cross multiply
    6,688,403.40x = 10,031,438.70 × 2,426,377.80
  4. Step 4: Simplify right side
    6,688,403.40x = 24,340,060,163,740.86
  5. Step 5: Solve for x
    x = 24,340,060,163,740.86/6,688,403.40
  6. Step 6: Final answer
    x = 3,639,143.56

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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.