Home / 6,642,768.10-9,964,152.15-4,249,315.30

Finding the Fourth Proportional to 6,642,768.10, 9,964,152.15 and 4,249,315.30

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Solution

The fourth proportional to 6,642,768.10, 9,964,152.15 and 4,249,315.30 is: 6,373,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,768.10 : 9,964,152.15 = 4,249,315.30 : x
  2. Step 2: Convert to fraction form
    6,642,768.10/9,964,152.15 = 4,249,315.30/x
  3. Step 3: Cross multiply
    6,642,768.10x = 9,964,152.15 × 4,249,315.30
  4. Step 4: Simplify right side
    6,642,768.10x = 42,340,824,182,522.90
  5. Step 5: Solve for x
    x = 42,340,824,182,522.90/6,642,768.10
  6. Step 6: Final answer
    x = 6,373,972.95

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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.