Home / 15,143,223.47-20,897,539.29-8,267,705.51

Finding the Fourth Proportional to 15,143,223.47, 20,897,539.29 and 8,267,705.51

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Solution

The fourth proportional to 15,143,223.47, 20,897,539.29 and 8,267,705.51 is: 11,409,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143,223.47 : 20,897,539.29 = 8,267,705.51 : x
  2. Step 2: Convert to fraction form
    15,143,223.47/20,897,539.29 = 8,267,705.51/x
  3. Step 3: Cross multiply
    15,143,223.47x = 20,897,539.29 × 8,267,705.51
  4. Step 4: Simplify right side
    15,143,223.47x = 172,774,700,628,886.78
  5. Step 5: Solve for x
    x = 172,774,700,628,886.78/15,143,223.47
  6. Step 6: Final answer
    x = 11,409,374.04

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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.