Home / 52,007,771.40-78,011,657.10-13,673,160.60

Finding the Fourth Proportional to 52,007,771.40, 78,011,657.10 and 13,673,160.60

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Solution

The fourth proportional to 52,007,771.40, 78,011,657.10 and 13,673,160.60 is: 20,509,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,771.40 : 78,011,657.10 = 13,673,160.60 : x
  2. Step 2: Convert to fraction form
    52,007,771.40/78,011,657.10 = 13,673,160.60/x
  3. Step 3: Cross multiply
    52,007,771.40x = 78,011,657.10 × 13,673,160.60
  4. Step 4: Simplify right side
    52,007,771.40x = 1,066,665,916,200,430.12
  5. Step 5: Solve for x
    x = 1,066,665,916,200,430.12/52,007,771.40
  6. Step 6: Final answer
    x = 20,509,740.90

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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.