Home / 20,833,114.40-31,231,009.20-13,648,090.40

Finding the Fourth Proportional to 20,833,114.40, 31,231,009.20 and 13,648,090.40

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Solution

The fourth proportional to 20,833,114.40, 31,231,009.20 and 13,648,090.40 is: 20,459,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,114.40 : 31,231,009.20 = 13,648,090.40 : x
  2. Step 2: Convert to fraction form
    20,833,114.40/31,231,009.20 = 13,648,090.40/x
  3. Step 3: Cross multiply
    20,833,114.40x = 31,231,009.20 × 13,648,090.40
  4. Step 4: Simplify right side
    20,833,114.40x = 426,243,636,844,831.69
  5. Step 5: Solve for x
    x = 426,243,636,844,831.69/20,833,114.40
  6. Step 6: Final answer
    x = 20,459,909.58

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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.