Home / 19,128,532.10-28,748,785.35-16,665,095.30

Finding the Fourth Proportional to 19,128,532.10, 28,748,785.35 and 16,665,095.30

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Solution

The fourth proportional to 19,128,532.10, 28,748,785.35 and 16,665,095.30 is: 25,046,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,532.10 : 28,748,785.35 = 16,665,095.30 : x
  2. Step 2: Convert to fraction form
    19,128,532.10/28,748,785.35 = 16,665,095.30/x
  3. Step 3: Cross multiply
    19,128,532.10x = 28,748,785.35 × 16,665,095.30
  4. Step 4: Simplify right side
    19,128,532.10x = 479,101,247,616,993.88
  5. Step 5: Solve for x
    x = 479,101,247,616,993.88/19,128,532.10
  6. Step 6: Final answer
    x = 25,046,419.93

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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.