Home / 18,683,487.59-25,783,229.02-10,423,551.56

Finding the Fourth Proportional to 18,683,487.59, 25,783,229.02 and 10,423,551.56

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Solution

The fourth proportional to 18,683,487.59, 25,783,229.02 and 10,423,551.56 is: 14,384,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,487.59 : 25,783,229.02 = 10,423,551.56 : x
  2. Step 2: Convert to fraction form
    18,683,487.59/25,783,229.02 = 10,423,551.56/x
  3. Step 3: Cross multiply
    18,683,487.59x = 25,783,229.02 × 10,423,551.56
  4. Step 4: Simplify right side
    18,683,487.59x = 268,752,816,937,827.41
  5. Step 5: Solve for x
    x = 268,752,816,937,827.41/18,683,487.59
  6. Step 6: Final answer
    x = 14,384,510.15

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1.5x scale

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.