Home / 15,888,129.60-21,924,973.20-9,012,464.08

Finding the Fourth Proportional to 15,888,129.60, 21,924,973.20 and 9,012,464.08

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Solution

The fourth proportional to 15,888,129.60, 21,924,973.20 and 9,012,464.08 is: 12,436,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888,129.60 : 21,924,973.20 = 9,012,464.08 : x
  2. Step 2: Convert to fraction form
    15,888,129.60/21,924,973.20 = 9,012,464.08/x
  3. Step 3: Cross multiply
    15,888,129.60x = 21,924,973.20 × 9,012,464.08
  4. Step 4: Simplify right side
    15,888,129.60x = 197,598,033,419,962.66
  5. Step 5: Solve for x
    x = 197,598,033,419,962.66/15,888,129.60
  6. Step 6: Final answer
    x = 12,436,834.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.