Home / 10,457,890.20-15,686,835.30-7,056,667.80

Finding the Fourth Proportional to 10,457,890.20, 15,686,835.30 and 7,056,667.80

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Solution

The fourth proportional to 10,457,890.20, 15,686,835.30 and 7,056,667.80 is: 10,585,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,890.20 : 15,686,835.30 = 7,056,667.80 : x
  2. Step 2: Convert to fraction form
    10,457,890.20/15,686,835.30 = 7,056,667.80/x
  3. Step 3: Cross multiply
    10,457,890.20x = 15,686,835.30 × 7,056,667.80
  4. Step 4: Simplify right side
    10,457,890.20x = 110,696,785,545,413.34
  5. Step 5: Solve for x
    x = 110,696,785,545,413.34/10,457,890.20
  6. Step 6: Final answer
    x = 10,585,001.70

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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.