Home / 12,900,365.28-19,353,347.28-3,924,684

Finding the Fourth Proportional to 12,900,365.28, 19,353,347.28 and 3,924,684

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Solution

The fourth proportional to 12,900,365.28, 19,353,347.28 and 3,924,684 is: 5,887,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,365.28 : 19,353,347.28 = 3,924,684 : x
  2. Step 2: Convert to fraction form
    12,900,365.28/19,353,347.28 = 3,924,684/x
  3. Step 3: Cross multiply
    12,900,365.28x = 19,353,347.28 × 3,924,684
  4. Step 4: Simplify right side
    12,900,365.28x = 75,955,772,416,259.53
  5. Step 5: Solve for x
    x = 75,955,772,416,259.53/12,900,365.28
  6. Step 6: Final answer
    x = 5,887,877.65

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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.