Home / 12,934,797.80-19,402,196.70-4,415,412.20

Finding the Fourth Proportional to 12,934,797.80, 19,402,196.70 and 4,415,412.20

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Solution

The fourth proportional to 12,934,797.80, 19,402,196.70 and 4,415,412.20 is: 6,623,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,797.80 : 19,402,196.70 = 4,415,412.20 : x
  2. Step 2: Convert to fraction form
    12,934,797.80/19,402,196.70 = 4,415,412.20/x
  3. Step 3: Cross multiply
    12,934,797.80x = 19,402,196.70 × 4,415,412.20
  4. Step 4: Simplify right side
    12,934,797.80x = 85,668,696,015,979.73
  5. Step 5: Solve for x
    x = 85,668,696,015,979.73/12,934,797.80
  6. Step 6: Final answer
    x = 6,623,118.30

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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.