Home / 21,384,060.40-32,076,090.60-10,025,657.20

Finding the Fourth Proportional to 21,384,060.40, 32,076,090.60 and 10,025,657.20

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Solution

The fourth proportional to 21,384,060.40, 32,076,090.60 and 10,025,657.20 is: 15,038,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,060.40 : 32,076,090.60 = 10,025,657.20 : x
  2. Step 2: Convert to fraction form
    21,384,060.40/32,076,090.60 = 10,025,657.20/x
  3. Step 3: Cross multiply
    21,384,060.40x = 32,076,090.60 × 10,025,657.20
  4. Step 4: Simplify right side
    21,384,060.40x = 321,583,888,671,742.31
  5. Step 5: Solve for x
    x = 321,583,888,671,742.31/21,384,060.40
  6. Step 6: Final answer
    x = 15,038,485.80

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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.