Home / 18,720,153.91-25,834,810.33-10,460,416.70

Finding the Fourth Proportional to 18,720,153.91, 25,834,810.33 and 10,460,416.70

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Solution

The fourth proportional to 18,720,153.91, 25,834,810.33 and 10,460,416.70 is: 14,435,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,153.91 : 25,834,810.33 = 10,460,416.70 : x
  2. Step 2: Convert to fraction form
    18,720,153.91/25,834,810.33 = 10,460,416.70/x
  3. Step 3: Cross multiply
    18,720,153.91x = 25,834,810.33 × 10,460,416.70
  4. Step 4: Simplify right side
    18,720,153.91x = 270,242,881,290,766.41
  5. Step 5: Solve for x
    x = 270,242,881,290,766.41/18,720,153.91
  6. Step 6: Final answer
    x = 14,435,932.66

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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.