Home / 47,320,106.40-70,924,172.40-20,026,346.40

Finding the Fourth Proportional to 47,320,106.40, 70,924,172.40 and 20,026,346.40

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Solution

The fourth proportional to 47,320,106.40, 70,924,172.40 and 20,026,346.40 is: 30,015,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,106.40 : 70,924,172.40 = 20,026,346.40 : x
  2. Step 2: Convert to fraction form
    47,320,106.40/70,924,172.40 = 20,026,346.40/x
  3. Step 3: Cross multiply
    47,320,106.40x = 70,924,172.40 × 20,026,346.40
  4. Step 4: Simplify right side
    47,320,106.40x = 1,420,352,044,615,719.25
  5. Step 5: Solve for x
    x = 1,420,352,044,615,719.25/47,320,106.40
  6. Step 6: Final answer
    x = 30,015,825.25

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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.