Home / 47,308,900.80-70,958,102.40-13,233,691.20

Finding the Fourth Proportional to 47,308,900.80, 70,958,102.40 and 13,233,691.20

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Solution

The fourth proportional to 47,308,900.80, 70,958,102.40 and 13,233,691.20 is: 19,849,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308,900.80 : 70,958,102.40 = 13,233,691.20 : x
  2. Step 2: Convert to fraction form
    47,308,900.80/70,958,102.40 = 13,233,691.20/x
  3. Step 3: Cross multiply
    47,308,900.80x = 70,958,102.40 × 13,233,691.20
  4. Step 4: Simplify right side
    47,308,900.80x = 939,037,615,299,578.88
  5. Step 5: Solve for x
    x = 939,037,615,299,578.88/47,308,900.80
  6. Step 6: Final answer
    x = 19,849,068.56

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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.