Home / 31,152,612.80-46,728,919.20-10,955,230.40

Finding the Fourth Proportional to 31,152,612.80, 46,728,919.20 and 10,955,230.40

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Solution

The fourth proportional to 31,152,612.80, 46,728,919.20 and 10,955,230.40 is: 16,432,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,152,612.80 : 46,728,919.20 = 10,955,230.40 : x
  2. Step 2: Convert to fraction form
    31,152,612.80/46,728,919.20 = 10,955,230.40/x
  3. Step 3: Cross multiply
    31,152,612.80x = 46,728,919.20 × 10,955,230.40
  4. Step 4: Simplify right side
    31,152,612.80x = 511,926,076,178,983.75
  5. Step 5: Solve for x
    x = 511,926,076,178,983.75/31,152,612.80
  6. Step 6: Final answer
    x = 16,432,845.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.