Home / 19,101,746.36-28,655,731.86-5,639,935.16

Finding the Fourth Proportional to 19,101,746.36, 28,655,731.86 and 5,639,935.16

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Solution

The fourth proportional to 19,101,746.36, 28,655,731.86 and 5,639,935.16 is: 8,460,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101,746.36 : 28,655,731.86 = 5,639,935.16 : x
  2. Step 2: Convert to fraction form
    19,101,746.36/28,655,731.86 = 5,639,935.16/x
  3. Step 3: Cross multiply
    19,101,746.36x = 28,655,731.86 × 5,639,935.16
  4. Step 4: Simplify right side
    19,101,746.36x = 161,616,469,652,746.19
  5. Step 5: Solve for x
    x = 161,616,469,652,746.19/19,101,746.36
  6. Step 6: Final answer
    x = 8,460,821.68

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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.