Home / 10,920,411.60-16,352,623.80-8,065,064.40

Finding the Fourth Proportional to 10,920,411.60, 16,352,623.80 and 8,065,064.40

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Solution

The fourth proportional to 10,920,411.60, 16,352,623.80 and 8,065,064.40 is: 12,076,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,411.60 : 16,352,623.80 = 8,065,064.40 : x
  2. Step 2: Convert to fraction form
    10,920,411.60/16,352,623.80 = 8,065,064.40/x
  3. Step 3: Cross multiply
    10,920,411.60x = 16,352,623.80 × 8,065,064.40
  4. Step 4: Simplify right side
    10,920,411.60x = 131,884,964,055,972.73
  5. Step 5: Solve for x
    x = 131,884,964,055,972.73/10,920,411.60
  6. Step 6: Final answer
    x = 12,076,922.45

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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.