Home / 20,832,254.84-28,748,741.62-11,539,967.24

Finding the Fourth Proportional to 20,832,254.84, 28,748,741.62 and 11,539,967.24

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Solution

The fourth proportional to 20,832,254.84, 28,748,741.62 and 11,539,967.24 is: 15,925,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,254.84 : 28,748,741.62 = 11,539,967.24 : x
  2. Step 2: Convert to fraction form
    20,832,254.84/28,748,741.62 = 11,539,967.24/x
  3. Step 3: Cross multiply
    20,832,254.84x = 28,748,741.62 × 11,539,967.24
  4. Step 4: Simplify right side
    20,832,254.84x = 331,759,536,486,024.56
  5. Step 5: Solve for x
    x = 331,759,536,486,024.56/20,832,254.84
  6. Step 6: Final answer
    x = 15,925,282.17

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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.