Home / 20,421,885.04-28,182,200.94-11,254,527.82

Finding the Fourth Proportional to 20,421,885.04, 28,182,200.94 and 11,254,527.82

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Solution

The fourth proportional to 20,421,885.04, 28,182,200.94 and 11,254,527.82 is: 15,531,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421,885.04 : 28,182,200.94 = 11,254,527.82 : x
  2. Step 2: Convert to fraction form
    20,421,885.04/28,182,200.94 = 11,254,527.82/x
  3. Step 3: Cross multiply
    20,421,885.04x = 28,182,200.94 × 11,254,527.82
  4. Step 4: Simplify right side
    20,421,885.04x = 317,177,364,508,060.19
  5. Step 5: Solve for x
    x = 317,177,364,508,060.19/20,421,885.04
  6. Step 6: Final answer
    x = 15,531,248.16

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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.