Home / 8,785,669.10-13,187,004.63-4,239,917.92

Finding the Fourth Proportional to 8,785,669.10, 13,187,004.63 and 4,239,917.92

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Solution

The fourth proportional to 8,785,669.10, 13,187,004.63 and 4,239,917.92 is: 6,363,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,669.10 : 13,187,004.63 = 4,239,917.92 : x
  2. Step 2: Convert to fraction form
    8,785,669.10/13,187,004.63 = 4,239,917.92/x
  3. Step 3: Cross multiply
    8,785,669.10x = 13,187,004.63 × 4,239,917.92
  4. Step 4: Simplify right side
    8,785,669.10x = 55,911,817,168,267.14
  5. Step 5: Solve for x
    x = 55,911,817,168,267.14/8,785,669.10
  6. Step 6: Final answer
    x = 6,363,979.40

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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.