Home / 30,537,703.14-42,140,963.40-16,786,568.88

Finding the Fourth Proportional to 30,537,703.14, 42,140,963.40 and 16,786,568.88

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Solution

The fourth proportional to 30,537,703.14, 42,140,963.40 and 16,786,568.88 is: 23,164,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,703.14 : 42,140,963.40 = 16,786,568.88 : x
  2. Step 2: Convert to fraction form
    30,537,703.14/42,140,963.40 = 16,786,568.88/x
  3. Step 3: Cross multiply
    30,537,703.14x = 42,140,963.40 × 16,786,568.88
  4. Step 4: Simplify right side
    30,537,703.14x = 707,402,184,783,658.88
  5. Step 5: Solve for x
    x = 707,402,184,783,658.88/30,537,703.14
  6. Step 6: Final answer
    x = 23,164,878.56

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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.