Home / 21,384,032.40-32,076,048.60-10,025,629.20

Finding the Fourth Proportional to 21,384,032.40, 32,076,048.60 and 10,025,629.20

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Solution

The fourth proportional to 21,384,032.40, 32,076,048.60 and 10,025,629.20 is: 15,038,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,032.40 : 32,076,048.60 = 10,025,629.20 : x
  2. Step 2: Convert to fraction form
    21,384,032.40/32,076,048.60 = 10,025,629.20/x
  3. Step 3: Cross multiply
    21,384,032.40x = 32,076,048.60 × 10,025,629.20
  4. Step 4: Simplify right side
    21,384,032.40x = 321,582,569,464,779.12
  5. Step 5: Solve for x
    x = 321,582,569,464,779.12/21,384,032.40
  6. Step 6: Final answer
    x = 15,038,443.80

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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.