Home / 13,202,428.02-18,216,941.68-7,618,637.50

Finding the Fourth Proportional to 13,202,428.02, 18,216,941.68 and 7,618,637.50

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Solution

The fourth proportional to 13,202,428.02, 18,216,941.68 and 7,618,637.50 is: 10,512,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,428.02 : 18,216,941.68 = 7,618,637.50 : x
  2. Step 2: Convert to fraction form
    13,202,428.02/18,216,941.68 = 7,618,637.50/x
  3. Step 3: Cross multiply
    13,202,428.02x = 18,216,941.68 × 7,618,637.50
  4. Step 4: Simplify right side
    13,202,428.02x = 138,788,275,018,561
  5. Step 5: Solve for x
    x = 138,788,275,018,561/13,202,428.02
  6. Step 6: Final answer
    x = 10,512,329.61

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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.