Home / 20,527,526.52-28,328,875.74-11,360,172.24

Finding the Fourth Proportional to 20,527,526.52, 28,328,875.74 and 11,360,172.24

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Solution

The fourth proportional to 20,527,526.52, 28,328,875.74 and 11,360,172.24 is: 15,677,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,526.52 : 28,328,875.74 = 11,360,172.24 : x
  2. Step 2: Convert to fraction form
    20,527,526.52/28,328,875.74 = 11,360,172.24/x
  3. Step 3: Cross multiply
    20,527,526.52x = 28,328,875.74 × 11,360,172.24
  4. Step 4: Simplify right side
    20,527,526.52x = 321,820,907,771,957.44
  5. Step 5: Solve for x
    x = 321,820,907,771,957.44/20,527,526.52
  6. Step 6: Final answer
    x = 15,677,529.75

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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.