Home / 15,784,809.41-21,624,827.02-15,194,658.68

Finding the Fourth Proportional to 15,784,809.41, 21,624,827.02 and 15,194,658.68

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Solution

The fourth proportional to 15,784,809.41, 21,624,827.02 and 15,194,658.68 is: 20,816,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,809.41 : 21,624,827.02 = 15,194,658.68 : x
  2. Step 2: Convert to fraction form
    15,784,809.41/21,624,827.02 = 15,194,658.68/x
  3. Step 3: Cross multiply
    15,784,809.41x = 21,624,827.02 × 15,194,658.68
  4. Step 4: Simplify right side
    15,784,809.41x = 328,581,865,582,941.50
  5. Step 5: Solve for x
    x = 328,581,865,582,941.50/15,784,809.41
  6. Step 6: Final answer
    x = 20,816,334.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.