Home / 21,727,259.40-32,615,772.30-12,756,865.80

Finding the Fourth Proportional to 21,727,259.40, 32,615,772.30 and 12,756,865.80

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Solution

The fourth proportional to 21,727,259.40, 32,615,772.30 and 12,756,865.80 is: 19,149,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727,259.40 : 32,615,772.30 = 12,756,865.80 : x
  2. Step 2: Convert to fraction form
    21,727,259.40/32,615,772.30 = 12,756,865.80/x
  3. Step 3: Cross multiply
    21,727,259.40x = 32,615,772.30 × 12,756,865.80
  4. Step 4: Simplify right side
    21,727,259.40x = 416,075,030,194,457.38
  5. Step 5: Solve for x
    x = 416,075,030,194,457.38/21,727,259.40
  6. Step 6: Final answer
    x = 19,149,908.53

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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.