Home / 15,077,220.03-20,806,547.90-8,201,685.69

Finding the Fourth Proportional to 15,077,220.03, 20,806,547.90 and 8,201,685.69

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Solution

The fourth proportional to 15,077,220.03, 20,806,547.90 and 8,201,685.69 is: 11,318,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077,220.03 : 20,806,547.90 = 8,201,685.69 : x
  2. Step 2: Convert to fraction form
    15,077,220.03/20,806,547.90 = 8,201,685.69/x
  3. Step 3: Cross multiply
    15,077,220.03x = 20,806,547.90 × 8,201,685.69
  4. Step 4: Simplify right side
    15,077,220.03x = 170,648,766,128,721.12
  5. Step 5: Solve for x
    x = 170,648,766,128,721.12/15,077,220.03
  6. Step 6: Final answer
    x = 11,318,317.69

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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.