Home / 12,909,025.60-19,361,464.80-3,931,489.60

Finding the Fourth Proportional to 12,909,025.60, 19,361,464.80 and 3,931,489.60

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Solution

The fourth proportional to 12,909,025.60, 19,361,464.80 and 3,931,489.60 is: 5,896,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,025.60 : 19,361,464.80 = 3,931,489.60 : x
  2. Step 2: Convert to fraction form
    12,909,025.60/19,361,464.80 = 3,931,489.60/x
  3. Step 3: Cross multiply
    12,909,025.60x = 19,361,464.80 × 3,931,489.60
  4. Step 4: Simplify right side
    12,909,025.60x = 76,119,397,501,966.08
  5. Step 5: Solve for x
    x = 76,119,397,501,966.08/12,909,025.60
  6. Step 6: Final answer
    x = 5,896,602.88

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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.