Home / 52,007,811.40-78,011,717.10-13,673,200.60

Finding the Fourth Proportional to 52,007,811.40, 78,011,717.10 and 13,673,200.60

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Solution

The fourth proportional to 52,007,811.40, 78,011,717.10 and 13,673,200.60 is: 20,509,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,811.40 : 78,011,717.10 = 13,673,200.60 : x
  2. Step 2: Convert to fraction form
    52,007,811.40/78,011,717.10 = 13,673,200.60/x
  3. Step 3: Cross multiply
    52,007,811.40x = 78,011,717.10 × 13,673,200.60
  4. Step 4: Simplify right side
    52,007,811.40x = 1,066,669,857,058,750.12
  5. Step 5: Solve for x
    x = 1,066,669,857,058,750.12/52,007,811.40
  6. Step 6: Final answer
    x = 20,509,800.90

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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.