Home / 30,029,510.80-41,440,780.20-16,278,432.40

Finding the Fourth Proportional to 30,029,510.80, 41,440,780.20 and 16,278,432.40

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Solution

The fourth proportional to 30,029,510.80, 41,440,780.20 and 16,278,432.40 is: 22,464,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029,510.80 : 41,440,780.20 = 16,278,432.40 : x
  2. Step 2: Convert to fraction form
    30,029,510.80/41,440,780.20 = 16,278,432.40/x
  3. Step 3: Cross multiply
    30,029,510.80x = 41,440,780.20 × 16,278,432.40
  4. Step 4: Simplify right side
    30,029,510.80x = 674,590,939,088,958.50
  5. Step 5: Solve for x
    x = 674,590,939,088,958.50/30,029,510.80
  6. Step 6: Final answer
    x = 22,464,266.69

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1.5x scale

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.