Home / 47,236,412.20-70,886,111.10-21,664,258.60

Finding the Fourth Proportional to 47,236,412.20, 70,886,111.10 and 21,664,258.60

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Solution

The fourth proportional to 47,236,412.20, 70,886,111.10 and 21,664,258.60 is: 32,510,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236,412.20 : 70,886,111.10 = 21,664,258.60 : x
  2. Step 2: Convert to fraction form
    47,236,412.20/70,886,111.10 = 21,664,258.60/x
  3. Step 3: Cross multiply
    47,236,412.20x = 70,886,111.10 × 21,664,258.60
  4. Step 4: Simplify right side
    47,236,412.20x = 1,535,695,042,018,730.50
  5. Step 5: Solve for x
    x = 1,535,695,042,018,730.50/47,236,412.20
  6. Step 6: Final answer
    x = 32,510,831.59

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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.