Home / 19,559,360.80-29,315,421.60-9,969,803.20

Finding the Fourth Proportional to 19,559,360.80, 29,315,421.60 and 9,969,803.20

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Solution

The fourth proportional to 19,559,360.80, 29,315,421.60 and 9,969,803.20 is: 14,942,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559,360.80 : 29,315,421.60 = 9,969,803.20 : x
  2. Step 2: Convert to fraction form
    19,559,360.80/29,315,421.60 = 9,969,803.20/x
  3. Step 3: Cross multiply
    19,559,360.80x = 29,315,421.60 × 9,969,803.20
  4. Step 4: Simplify right side
    19,559,360.80x = 292,268,984,077,029.12
  5. Step 5: Solve for x
    x = 292,268,984,077,029.12/19,559,360.80
  6. Step 6: Final answer
    x = 14,942,665.41

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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.