Home / 10,286,020.80-15,464,606.40-9,620,006.40

Finding the Fourth Proportional to 10,286,020.80, 15,464,606.40 and 9,620,006.40

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Solution

The fourth proportional to 10,286,020.80, 15,464,606.40 and 9,620,006.40 is: 14,463,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,020.80 : 15,464,606.40 = 9,620,006.40 : x
  2. Step 2: Convert to fraction form
    10,286,020.80/15,464,606.40 = 9,620,006.40/x
  3. Step 3: Cross multiply
    10,286,020.80x = 15,464,606.40 × 9,620,006.40
  4. Step 4: Simplify right side
    10,286,020.80x = 148,769,612,541,480.97
  5. Step 5: Solve for x
    x = 148,769,612,541,480.97/10,286,020.80
  6. Step 6: Final answer
    x = 14,463,281.32

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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.