Home / 7,646,828.10-11,469,931.08-1,889,416.74

Finding the Fourth Proportional to 7,646,828.10, 11,469,931.08 and 1,889,416.74

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Solution

The fourth proportional to 7,646,828.10, 11,469,931.08 and 1,889,416.74 is: 2,834,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646,828.10 : 11,469,931.08 = 1,889,416.74 : x
  2. Step 2: Convert to fraction form
    7,646,828.10/11,469,931.08 = 1,889,416.74/x
  3. Step 3: Cross multiply
    7,646,828.10x = 11,469,931.08 × 1,889,416.74
  4. Step 4: Simplify right side
    7,646,828.10x = 21,671,479,808,281.92
  5. Step 5: Solve for x
    x = 21,671,479,808,281.92/7,646,828.10
  6. Step 6: Final answer
    x = 2,834,048.25

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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.