Home / 14,540,286.51-20,065,248.72-7,925,085.36

Finding the Fourth Proportional to 14,540,286.51, 20,065,248.72 and 7,925,085.36

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Solution

The fourth proportional to 14,540,286.51, 20,065,248.72 and 7,925,085.36 is: 10,936,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540,286.51 : 20,065,248.72 = 7,925,085.36 : x
  2. Step 2: Convert to fraction form
    14,540,286.51/20,065,248.72 = 7,925,085.36/x
  3. Step 3: Cross multiply
    14,540,286.51x = 20,065,248.72 × 7,925,085.36
  4. Step 4: Simplify right side
    14,540,286.51x = 159,018,808,875,630.75
  5. Step 5: Solve for x
    x = 159,018,808,875,630.75/14,540,286.51
  6. Step 6: Final answer
    x = 10,936,428.85

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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.