Home / 13,574,265.43-18,714,903.80-8,791,897.90

Finding the Fourth Proportional to 13,574,265.43, 18,714,903.80 and 8,791,897.90

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Solution

The fourth proportional to 13,574,265.43, 18,714,903.80 and 8,791,897.90 is: 12,121,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,265.43 : 18,714,903.80 = 8,791,897.90 : x
  2. Step 2: Convert to fraction form
    13,574,265.43/18,714,903.80 = 8,791,897.90/x
  3. Step 3: Cross multiply
    13,574,265.43x = 18,714,903.80 × 8,791,897.90
  4. Step 4: Simplify right side
    13,574,265.43x = 164,539,523,324,347.50
  5. Step 5: Solve for x
    x = 164,539,523,324,347.50/13,574,265.43
  6. Step 6: Final answer
    x = 12,121,431.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.