Home / 12,865,209.63-19,305,482.25-4,668,491.28

Finding the Fourth Proportional to 12,865,209.63, 19,305,482.25 and 4,668,491.28

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Solution

The fourth proportional to 12,865,209.63, 19,305,482.25 and 4,668,491.28 is: 7,005,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,209.63 : 19,305,482.25 = 4,668,491.28 : x
  2. Step 2: Convert to fraction form
    12,865,209.63/19,305,482.25 = 4,668,491.28/x
  3. Step 3: Cross multiply
    12,865,209.63x = 19,305,482.25 × 4,668,491.28
  4. Step 4: Simplify right side
    12,865,209.63x = 90,127,475,540,319.78
  5. Step 5: Solve for x
    x = 90,127,475,540,319.78/12,865,209.63
  6. Step 6: Final answer
    x = 7,005,519.39

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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.