Home / 10,258,291.20-15,387,436.80-9,586,444.80

Finding the Fourth Proportional to 10,258,291.20, 15,387,436.80 and 9,586,444.80

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Solution

The fourth proportional to 10,258,291.20, 15,387,436.80 and 9,586,444.80 is: 14,379,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,291.20 : 15,387,436.80 = 9,586,444.80 : x
  2. Step 2: Convert to fraction form
    10,258,291.20/15,387,436.80 = 9,586,444.80/x
  3. Step 3: Cross multiply
    10,258,291.20x = 15,387,436.80 × 9,586,444.80
  4. Step 4: Simplify right side
    10,258,291.20x = 147,510,813,496,688.66
  5. Step 5: Solve for x
    x = 147,510,813,496,688.66/10,258,291.20
  6. Step 6: Final answer
    x = 14,379,667.20

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1.5x scale

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.