Home / 21,871,818.60-32,807,727.90-13,368,762.60

Finding the Fourth Proportional to 21,871,818.60, 32,807,727.90 and 13,368,762.60

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Solution

The fourth proportional to 21,871,818.60, 32,807,727.90 and 13,368,762.60 is: 20,053,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,818.60 : 32,807,727.90 = 13,368,762.60 : x
  2. Step 2: Convert to fraction form
    21,871,818.60/32,807,727.90 = 13,368,762.60/x
  3. Step 3: Cross multiply
    21,871,818.60x = 32,807,727.90 × 13,368,762.60
  4. Step 4: Simplify right side
    21,871,818.60x = 438,598,725,740,496.50
  5. Step 5: Solve for x
    x = 438,598,725,740,496.50/21,871,818.60
  6. Step 6: Final answer
    x = 20,053,143.90

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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.