Home / 52,007,763.40-78,011,645.10-13,673,152.60

Finding the Fourth Proportional to 52,007,763.40, 78,011,645.10 and 13,673,152.60

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Solution

The fourth proportional to 52,007,763.40, 78,011,645.10 and 13,673,152.60 is: 20,509,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007,763.40 : 78,011,645.10 = 13,673,152.60 : x
  2. Step 2: Convert to fraction form
    52,007,763.40/78,011,645.10 = 13,673,152.60/x
  3. Step 3: Cross multiply
    52,007,763.40x = 78,011,645.10 × 13,673,152.60
  4. Step 4: Simplify right side
    52,007,763.40x = 1,066,665,128,029,342.12
  5. Step 5: Solve for x
    x = 1,066,665,128,029,342.12/52,007,763.40
  6. Step 6: Final answer
    x = 20,509,728.90

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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.