Home / 13,023,038.70-17,970,307.83-7,220,354.22

Finding the Fourth Proportional to 13,023,038.70, 17,970,307.83 and 7,220,354.22

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Solution

The fourth proportional to 13,023,038.70, 17,970,307.83 and 7,220,354.22 is: 9,963,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,038.70 : 17,970,307.83 = 7,220,354.22 : x
  2. Step 2: Convert to fraction form
    13,023,038.70/17,970,307.83 = 7,220,354.22/x
  3. Step 3: Cross multiply
    13,023,038.70x = 17,970,307.83 × 7,220,354.22
  4. Step 4: Simplify right side
    13,023,038.70x = 129,751,987,975,039.53
  5. Step 5: Solve for x
    x = 129,751,987,975,039.53/13,023,038.70
  6. Step 6: Final answer
    x = 9,963,265.18

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1.5x scale

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.