Home / 15,826,281.59-21,839,799.41-8,762,189.58

Finding the Fourth Proportional to 15,826,281.59, 21,839,799.41 and 8,762,189.58

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Solution

The fourth proportional to 15,826,281.59, 21,839,799.41 and 8,762,189.58 is: 12,091,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826,281.59 : 21,839,799.41 = 8,762,189.58 : x
  2. Step 2: Convert to fraction form
    15,826,281.59/21,839,799.41 = 8,762,189.58/x
  3. Step 3: Cross multiply
    15,826,281.59x = 21,839,799.41 × 8,762,189.58
  4. Step 4: Simplify right side
    15,826,281.59x = 191,364,462,786,898.16
  5. Step 5: Solve for x
    x = 191,364,462,786,898.16/15,826,281.59
  6. Step 6: Final answer
    x = 12,091,561.86

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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.