Home / 12,835,211.60-19,252,817.40-9,979,864.40

Finding the Fourth Proportional to 12,835,211.60, 19,252,817.40 and 9,979,864.40

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Solution

The fourth proportional to 12,835,211.60, 19,252,817.40 and 9,979,864.40 is: 14,969,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835,211.60 : 19,252,817.40 = 9,979,864.40 : x
  2. Step 2: Convert to fraction form
    12,835,211.60/19,252,817.40 = 9,979,864.40/x
  3. Step 3: Cross multiply
    12,835,211.60x = 19,252,817.40 × 9,979,864.40
  4. Step 4: Simplify right side
    12,835,211.60x = 192,140,506,969,960.56
  5. Step 5: Solve for x
    x = 192,140,506,969,960.56/12,835,211.60
  6. Step 6: Final answer
    x = 14,969,796.60

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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.