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Finding the Fourth Proportional to 13,596,602.19, 20,398,643.25 and 4,011,980.73

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Solution

The fourth proportional to 13,596,602.19, 20,398,643.25 and 4,011,980.73 is: 6,019,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596,602.19 : 20,398,643.25 = 4,011,980.73 : x
  2. Step 2: Convert to fraction form
    13,596,602.19/20,398,643.25 = 4,011,980.73/x
  3. Step 3: Cross multiply
    13,596,602.19x = 20,398,643.25 × 4,011,980.73
  4. Step 4: Simplify right side
    13,596,602.19x = 81,838,963,637,144.58
  5. Step 5: Solve for x
    x = 81,838,963,637,144.58/13,596,602.19
  6. Step 6: Final answer
    x = 6,019,074.66

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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.