Home / 10,791,211.60-16,186,817.40-8,382,012.40

Finding the Fourth Proportional to 10,791,211.60, 16,186,817.40 and 8,382,012.40

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Solution

The fourth proportional to 10,791,211.60, 16,186,817.40 and 8,382,012.40 is: 12,573,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,211.60 : 16,186,817.40 = 8,382,012.40 : x
  2. Step 2: Convert to fraction form
    10,791,211.60/16,186,817.40 = 8,382,012.40/x
  3. Step 3: Cross multiply
    10,791,211.60x = 16,186,817.40 × 8,382,012.40
  4. Step 4: Simplify right side
    10,791,211.60x = 135,678,104,163,335.77
  5. Step 5: Solve for x
    x = 135,678,104,163,335.77/10,791,211.60
  6. Step 6: Final answer
    x = 12,573,018.60

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1.5x scale

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.