Home / 21,789,280.80-32,624,938.80-17,070,688.80

Finding the Fourth Proportional to 21,789,280.80, 32,624,938.80 and 17,070,688.80

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Solution

The fourth proportional to 21,789,280.80, 32,624,938.80 and 17,070,688.80 is: 25,559,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,280.80 : 32,624,938.80 = 17,070,688.80 : x
  2. Step 2: Convert to fraction form
    21,789,280.80/32,624,938.80 = 17,070,688.80/x
  3. Step 3: Cross multiply
    21,789,280.80x = 32,624,938.80 × 17,070,688.80
  4. Step 4: Simplify right side
    21,789,280.80x = 556,930,177,373,845.50
  5. Step 5: Solve for x
    x = 556,930,177,373,845.50/21,789,280.80
  6. Step 6: Final answer
    x = 25,559,823.77

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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.