Home / 14,012,352.40-21,018,528.60-3,914,957.20

Finding the Fourth Proportional to 14,012,352.40, 21,018,528.60 and 3,914,957.20

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Solution

The fourth proportional to 14,012,352.40, 21,018,528.60 and 3,914,957.20 is: 5,872,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,352.40 : 21,018,528.60 = 3,914,957.20 : x
  2. Step 2: Convert to fraction form
    14,012,352.40/21,018,528.60 = 3,914,957.20/x
  3. Step 3: Cross multiply
    14,012,352.40x = 21,018,528.60 × 3,914,957.20
  4. Step 4: Simplify right side
    14,012,352.40x = 82,286,639,875,975.94
  5. Step 5: Solve for x
    x = 82,286,639,875,975.94/14,012,352.40
  6. Step 6: Final answer
    x = 5,872,435.80

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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.