Home / 28,977,999.40-43,466,999.10-18,774,332.20

Finding the Fourth Proportional to 28,977,999.40, 43,466,999.10 and 18,774,332.20

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Solution

The fourth proportional to 28,977,999.40, 43,466,999.10 and 18,774,332.20 is: 28,161,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,999.40 : 43,466,999.10 = 18,774,332.20 : x
  2. Step 2: Convert to fraction form
    28,977,999.40/43,466,999.10 = 18,774,332.20/x
  3. Step 3: Cross multiply
    28,977,999.40x = 43,466,999.10 × 18,774,332.20
  4. Step 4: Simplify right side
    28,977,999.40x = 816,063,880,840,501
  5. Step 5: Solve for x
    x = 816,063,880,840,501/28,977,999.40
  6. Step 6: Final answer
    x = 28,161,498.30

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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.