Home / 19,811,624.64-27,328,458.72-12,457,819.20

Finding the Fourth Proportional to 19,811,624.64, 27,328,458.72 and 12,457,819.20

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Solution

The fourth proportional to 19,811,624.64, 27,328,458.72 and 12,457,819.20 is: 17,184,506.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,624.64 : 27,328,458.72 = 12,457,819.20 : x
  2. Step 2: Convert to fraction form
    19,811,624.64/27,328,458.72 = 12,457,819.20/x
  3. Step 3: Cross multiply
    19,811,624.64x = 27,328,458.72 × 12,457,819.20
  4. Step 4: Simplify right side
    19,811,624.64x = 340,452,997,748,423.38
  5. Step 5: Solve for x
    x = 340,452,997,748,423.38/19,811,624.64
  6. Step 6: Final answer
    x = 17,184,506.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.