Home / 13,365,005.40-20,047,508.10-4,389,557.40

Finding the Fourth Proportional to 13,365,005.40, 20,047,508.10 and 4,389,557.40

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Solution

The fourth proportional to 13,365,005.40, 20,047,508.10 and 4,389,557.40 is: 6,584,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,005.40 : 20,047,508.10 = 4,389,557.40 : x
  2. Step 2: Convert to fraction form
    13,365,005.40/20,047,508.10 = 4,389,557.40/x
  3. Step 3: Cross multiply
    13,365,005.40x = 20,047,508.10 × 4,389,557.40
  4. Step 4: Simplify right side
    13,365,005.40x = 87,999,687,531,914.95
  5. Step 5: Solve for x
    x = 87,999,687,531,914.95/13,365,005.40
  6. Step 6: Final answer
    x = 6,584,336.10

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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.