Home / 47,308,907.80-70,958,112.90-13,233,698.20

Finding the Fourth Proportional to 47,308,907.80, 70,958,112.90 and 13,233,698.20

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Solution

The fourth proportional to 47,308,907.80, 70,958,112.90 and 13,233,698.20 is: 19,849,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308,907.80 : 70,958,112.90 = 13,233,698.20 : x
  2. Step 2: Convert to fraction form
    47,308,907.80/70,958,112.90 = 13,233,698.20/x
  3. Step 3: Cross multiply
    47,308,907.80x = 70,958,112.90 × 13,233,698.20
  4. Step 4: Simplify right side
    47,308,907.80x = 939,038,250,960,126.75
  5. Step 5: Solve for x
    x = 939,038,250,960,126.75/47,308,907.80
  6. Step 6: Final answer
    x = 19,849,079.06

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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.