Home / 10,890,056.80-16,335,085.20-9,397,064.80

Finding the Fourth Proportional to 10,890,056.80, 16,335,085.20 and 9,397,064.80

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Solution

The fourth proportional to 10,890,056.80, 16,335,085.20 and 9,397,064.80 is: 14,095,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,056.80 : 16,335,085.20 = 9,397,064.80 : x
  2. Step 2: Convert to fraction form
    10,890,056.80/16,335,085.20 = 9,397,064.80/x
  3. Step 3: Cross multiply
    10,890,056.80x = 16,335,085.20 × 9,397,064.80
  4. Step 4: Simplify right side
    10,890,056.80x = 153,501,854,137,920.97
  5. Step 5: Solve for x
    x = 153,501,854,137,920.97/10,890,056.80
  6. Step 6: Final answer
    x = 14,095,597.20

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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.