Home / 15,025,135.02-20,734,482.85-8,409,721.51

Finding the Fourth Proportional to 15,025,135.02, 20,734,482.85 and 8,409,721.51

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Solution

The fourth proportional to 15,025,135.02, 20,734,482.85 and 8,409,721.51 is: 11,605,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025,135.02 : 20,734,482.85 = 8,409,721.51 : x
  2. Step 2: Convert to fraction form
    15,025,135.02/20,734,482.85 = 8,409,721.51/x
  3. Step 3: Cross multiply
    15,025,135.02x = 20,734,482.85 × 8,409,721.51
  4. Step 4: Simplify right side
    15,025,135.02x = 174,371,226,422,371.12
  5. Step 5: Solve for x
    x = 174,371,226,422,371.12/15,025,135.02
  6. Step 6: Final answer
    x = 11,605,301.80

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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.