Home / 7,218,122.71-10,823,641.12-3,570,638.30

Finding the Fourth Proportional to 7,218,122.71, 10,823,641.12 and 3,570,638.30

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Solution

The fourth proportional to 7,218,122.71, 10,823,641.12 and 3,570,638.30 is: 5,354,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,122.71 : 10,823,641.12 = 3,570,638.30 : x
  2. Step 2: Convert to fraction form
    7,218,122.71/10,823,641.12 = 3,570,638.30/x
  3. Step 3: Cross multiply
    7,218,122.71x = 10,823,641.12 × 3,570,638.30
  4. Step 4: Simplify right side
    7,218,122.71x = 38,647,307,528,526.89
  5. Step 5: Solve for x
    x = 38,647,307,528,526.89/7,218,122.71
  6. Step 6: Final answer
    x = 5,354,204.84

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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.