Home / 37,660,495.68-51,973,210.20-20,915,311.80

Finding the Fourth Proportional to 37,660,495.68, 51,973,210.20 and 20,915,311.80

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Solution

The fourth proportional to 37,660,495.68, 51,973,210.20 and 20,915,311.80 is: 28,864,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660,495.68 : 51,973,210.20 = 20,915,311.80 : x
  2. Step 2: Convert to fraction form
    37,660,495.68/51,973,210.20 = 20,915,311.80/x
  3. Step 3: Cross multiply
    37,660,495.68x = 51,973,210.20 × 20,915,311.80
  4. Step 4: Simplify right side
    37,660,495.68x = 1,087,035,896,579,940.50
  5. Step 5: Solve for x
    x = 1,087,035,896,579,940.50/37,660,495.68
  6. Step 6: Final answer
    x = 28,864,088.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.