Home / 9,989,111.20-14,985,740.40-3,258,032.80

Finding the Fourth Proportional to 9,989,111.20, 14,985,740.40 and 3,258,032.80

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Solution

The fourth proportional to 9,989,111.20, 14,985,740.40 and 3,258,032.80 is: 4,887,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,111.20 : 14,985,740.40 = 3,258,032.80 : x
  2. Step 2: Convert to fraction form
    9,989,111.20/14,985,740.40 = 3,258,032.80/x
  3. Step 3: Cross multiply
    9,989,111.20x = 14,985,740.40 × 3,258,032.80
  4. Step 4: Simplify right side
    9,989,111.20x = 48,824,033,755,485.12
  5. Step 5: Solve for x
    x = 48,824,033,755,485.12/9,989,111.20
  6. Step 6: Final answer
    x = 4,887,725.52

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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.