Home / 18,069,942.72-24,936,810.74-9,809,998.40

Finding the Fourth Proportional to 18,069,942.72, 24,936,810.74 and 9,809,998.40

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Solution

The fourth proportional to 18,069,942.72, 24,936,810.74 and 9,809,998.40 is: 13,537,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069,942.72 : 24,936,810.74 = 9,809,998.40 : x
  2. Step 2: Convert to fraction form
    18,069,942.72/24,936,810.74 = 9,809,998.40/x
  3. Step 3: Cross multiply
    18,069,942.72x = 24,936,810.74 × 9,809,998.40
  4. Step 4: Simplify right side
    18,069,942.72x = 244,630,073,547,369.84
  5. Step 5: Solve for x
    x = 244,630,073,547,369.84/18,069,942.72
  6. Step 6: Final answer
    x = 13,537,955.12

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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.