Home / 28,078,668.04-38,748,818.28-16,476,424.84

Finding the Fourth Proportional to 28,078,668.04, 38,748,818.28 and 16,476,424.84

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Solution

The fourth proportional to 28,078,668.04, 38,748,818.28 and 16,476,424.84 is: 22,737,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,668.04 : 38,748,818.28 = 16,476,424.84 : x
  2. Step 2: Convert to fraction form
    28,078,668.04/38,748,818.28 = 16,476,424.84/x
  3. Step 3: Cross multiply
    28,078,668.04x = 38,748,818.28 × 16,476,424.84
  4. Step 4: Simplify right side
    28,078,668.04x = 638,441,992,029,238.12
  5. Step 5: Solve for x
    x = 638,441,992,029,238.12/28,078,668.04
  6. Step 6: Final answer
    x = 22,737,616.72

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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.