Home / 12,258,230.40-18,387,345.60-10,935,532.80

Finding the Fourth Proportional to 12,258,230.40, 18,387,345.60 and 10,935,532.80

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Solution

The fourth proportional to 12,258,230.40, 18,387,345.60 and 10,935,532.80 is: 16,403,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,230.40 : 18,387,345.60 = 10,935,532.80 : x
  2. Step 2: Convert to fraction form
    12,258,230.40/18,387,345.60 = 10,935,532.80/x
  3. Step 3: Cross multiply
    12,258,230.40x = 18,387,345.60 × 10,935,532.80
  4. Step 4: Simplify right side
    12,258,230.40x = 201,075,420,913,735.72
  5. Step 5: Solve for x
    x = 201,075,420,913,735.72/12,258,230.40
  6. Step 6: Final answer
    x = 16,403,299.20

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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.