Home / 8,173,635.40-12,239,457.90-6,480,022.60

Finding the Fourth Proportional to 8,173,635.40, 12,239,457.90 and 6,480,022.60

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Solution

The fourth proportional to 8,173,635.40, 12,239,457.90 and 6,480,022.60 is: 9,703,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,635.40 : 12,239,457.90 = 6,480,022.60 : x
  2. Step 2: Convert to fraction form
    8,173,635.40/12,239,457.90 = 6,480,022.60/x
  3. Step 3: Cross multiply
    8,173,635.40x = 12,239,457.90 × 6,480,022.60
  4. Step 4: Simplify right side
    8,173,635.40x = 79,311,963,803,748.53
  5. Step 5: Solve for x
    x = 79,311,963,803,748.53/8,173,635.40
  6. Step 6: Final answer
    x = 9,703,389.00

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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.