Home / 12,475,896.60-18,720,065.70-7,088,683.80

Finding the Fourth Proportional to 12,475,896.60, 18,720,065.70 and 7,088,683.80

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Solution

The fourth proportional to 12,475,896.60, 18,720,065.70 and 7,088,683.80 is: 10,636,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,896.60 : 18,720,065.70 = 7,088,683.80 : x
  2. Step 2: Convert to fraction form
    12,475,896.60/18,720,065.70 = 7,088,683.80/x
  3. Step 3: Cross multiply
    12,475,896.60x = 18,720,065.70 × 7,088,683.80
  4. Step 4: Simplify right side
    12,475,896.60x = 132,700,626,462,525.66
  5. Step 5: Solve for x
    x = 132,700,626,462,525.66/12,475,896.60
  6. Step 6: Final answer
    x = 10,636,560.30

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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.