Home / 18,960,403.12-26,165,170.30-10,258,384.80

Finding the Fourth Proportional to 18,960,403.12, 26,165,170.30 and 10,258,384.80

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Solution

The fourth proportional to 18,960,403.12, 26,165,170.30 and 10,258,384.80 is: 14,156,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960,403.12 : 26,165,170.30 = 10,258,384.80 : x
  2. Step 2: Convert to fraction form
    18,960,403.12/26,165,170.30 = 10,258,384.80/x
  3. Step 3: Cross multiply
    18,960,403.12x = 26,165,170.30 × 10,258,384.80
  4. Step 4: Simplify right side
    18,960,403.12x = 268,412,385,294,931.47
  5. Step 5: Solve for x
    x = 268,412,385,294,931.47/18,960,403.12
  6. Step 6: Final answer
    x = 14,156,470.39

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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.