Home / 20,323,065.52-28,045,870.24-12,064,784

Finding the Fourth Proportional to 20,323,065.52, 28,045,870.24 and 12,064,784

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Solution

The fourth proportional to 20,323,065.52, 28,045,870.24 and 12,064,784 is: 16,649,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,065.52 : 28,045,870.24 = 12,064,784 : x
  2. Step 2: Convert to fraction form
    20,323,065.52/28,045,870.24 = 12,064,784/x
  3. Step 3: Cross multiply
    20,323,065.52x = 28,045,870.24 × 12,064,784
  4. Step 4: Simplify right side
    20,323,065.52x = 338,367,366,537,628.12
  5. Step 5: Solve for x
    x = 338,367,366,537,628.12/20,323,065.52
  6. Step 6: Final answer
    x = 16,649,425.56

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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.