Home / 21,939,848.80-32,909,773.20-10,602,440.80

Finding the Fourth Proportional to 21,939,848.80, 32,909,773.20 and 10,602,440.80

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Solution

The fourth proportional to 21,939,848.80, 32,909,773.20 and 10,602,440.80 is: 15,903,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939,848.80 : 32,909,773.20 = 10,602,440.80 : x
  2. Step 2: Convert to fraction form
    21,939,848.80/32,909,773.20 = 10,602,440.80/x
  3. Step 3: Cross multiply
    21,939,848.80x = 32,909,773.20 × 10,602,440.80
  4. Step 4: Simplify right side
    21,939,848.80x = 348,923,922,094,426.56
  5. Step 5: Solve for x
    x = 348,923,922,094,426.56/21,939,848.80
  6. Step 6: Final answer
    x = 15,903,661.20

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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.