Home / 7,459,799.49-11,189,661.72-6,445,836.21

Finding the Fourth Proportional to 7,459,799.49, 11,189,661.72 and 6,445,836.21

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Solution

The fourth proportional to 7,459,799.49, 11,189,661.72 and 6,445,836.21 is: 9,668,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,799.49 : 11,189,661.72 = 6,445,836.21 : x
  2. Step 2: Convert to fraction form
    7,459,799.49/11,189,661.72 = 6,445,836.21/x
  3. Step 3: Cross multiply
    7,459,799.49x = 11,189,661.72 × 6,445,836.21
  4. Step 4: Simplify right side
    7,459,799.49x = 72,126,726,692,426.89
  5. Step 5: Solve for x
    x = 72,126,726,692,426.89/7,459,799.49
  6. Step 6: Final answer
    x = 9,668,721.90

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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.