Home / 18,147,895.04-25,043,779.82-9,888,025.20

Finding the Fourth Proportional to 18,147,895.04, 25,043,779.82 and 9,888,025.20

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Solution

The fourth proportional to 18,147,895.04, 25,043,779.82 and 9,888,025.20 is: 13,645,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,895.04 : 25,043,779.82 = 9,888,025.20 : x
  2. Step 2: Convert to fraction form
    18,147,895.04/25,043,779.82 = 9,888,025.20/x
  3. Step 3: Cross multiply
    18,147,895.04x = 25,043,779.82 × 9,888,025.20
  4. Step 4: Simplify right side
    18,147,895.04x = 247,633,525,913,971.34
  5. Step 5: Solve for x
    x = 247,633,525,913,971.34/18,147,895.04
  6. Step 6: Final answer
    x = 13,645,302.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.