Home / 30,537,708.16-42,140,970.30-16,786,573.88

Finding the Fourth Proportional to 30,537,708.16, 42,140,970.30 and 16,786,573.88

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Solution

The fourth proportional to 30,537,708.16, 42,140,970.30 and 16,786,573.88 is: 23,164,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,708.16 : 42,140,970.30 = 16,786,573.88 : x
  2. Step 2: Convert to fraction form
    30,537,708.16/42,140,970.30 = 16,786,573.88/x
  3. Step 3: Cross multiply
    30,537,708.16x = 42,140,970.30 × 16,786,573.88
  4. Step 4: Simplify right side
    30,537,708.16x = 707,402,511,315,835.62
  5. Step 5: Solve for x
    x = 707,402,511,315,835.62/30,537,708.16
  6. Step 6: Final answer
    x = 23,164,885.45

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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.