Home / 21,727,312.40-32,615,851.80-12,756,918.80

Finding the Fourth Proportional to 21,727,312.40, 32,615,851.80 and 12,756,918.80

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Solution

The fourth proportional to 21,727,312.40, 32,615,851.80 and 12,756,918.80 is: 19,149,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,312.40 : 32,615,851.80 = 12,756,918.80 : x
  2. Step 2: Convert to fraction form
    21,727,312.40/32,615,851.80 = 12,756,918.80/x
  3. Step 3: Cross multiply
    21,727,312.40x = 32,615,851.80 × 12,756,918.80
  4. Step 4: Simplify right side
    21,727,312.40x = 416,077,773,005,433.88
  5. Step 5: Solve for x
    x = 416,077,773,005,433.88/21,727,312.40
  6. Step 6: Final answer
    x = 19,149,988.06

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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.