Home / 21,856,701.60-32,764,057.20-16,996,312.80

Finding the Fourth Proportional to 21,856,701.60, 32,764,057.20 and 16,996,312.80

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Solution

The fourth proportional to 21,856,701.60, 32,764,057.20 and 16,996,312.80 is: 25,478,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,701.60 : 32,764,057.20 = 16,996,312.80 : x
  2. Step 2: Convert to fraction form
    21,856,701.60/32,764,057.20 = 16,996,312.80/x
  3. Step 3: Cross multiply
    21,856,701.60x = 32,764,057.20 × 16,996,312.80
  4. Step 4: Simplify right side
    21,856,701.60x = 556,868,164,768,292.19
  5. Step 5: Solve for x
    x = 556,868,164,768,292.19/21,856,701.60
  6. Step 6: Final answer
    x = 25,478,142.81

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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.