Home / 20,527,528.02-28,328,877.81-11,360,173.74

Finding the Fourth Proportional to 20,527,528.02, 28,328,877.81 and 11,360,173.74

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Solution

The fourth proportional to 20,527,528.02, 28,328,877.81 and 11,360,173.74 is: 15,677,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,528.02 : 28,328,877.81 = 11,360,173.74 : x
  2. Step 2: Convert to fraction form
    20,527,528.02/28,328,877.81 = 11,360,173.74/x
  3. Step 3: Cross multiply
    20,527,528.02x = 28,328,877.81 × 11,360,173.74
  4. Step 4: Simplify right side
    20,527,528.02x = 321,820,973,780,830.69
  5. Step 5: Solve for x
    x = 321,820,973,780,830.69/20,527,528.02
  6. Step 6: Final answer
    x = 15,677,531.82

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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.