Home / 7,421,703.40-11,132,555.10-4,435,719.40

Finding the Fourth Proportional to 7,421,703.40, 11,132,555.10 and 4,435,719.40

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Solution

The fourth proportional to 7,421,703.40, 11,132,555.10 and 4,435,719.40 is: 6,653,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,703.40 : 11,132,555.10 = 4,435,719.40 : x
  2. Step 2: Convert to fraction form
    7,421,703.40/11,132,555.10 = 4,435,719.40/x
  3. Step 3: Cross multiply
    7,421,703.40x = 11,132,555.10 × 4,435,719.40
  4. Step 4: Simplify right side
    7,421,703.40x = 49,380,890,628,638.95
  5. Step 5: Solve for x
    x = 49,380,890,628,638.95/7,421,703.40
  6. Step 6: Final answer
    x = 6,653,579.10

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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.