Home / 7,221,741.84-9,960,192.72-6,348,709.92

Finding the Fourth Proportional to 7,221,741.84, 9,960,192.72 and 6,348,709.92

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Solution

The fourth proportional to 7,221,741.84, 9,960,192.72 and 6,348,709.92 is: 8,756,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,741.84 : 9,960,192.72 = 6,348,709.92 : x
  2. Step 2: Convert to fraction form
    7,221,741.84/9,960,192.72 = 6,348,709.92/x
  3. Step 3: Cross multiply
    7,221,741.84x = 9,960,192.72 × 6,348,709.92
  4. Step 4: Simplify right side
    7,221,741.84x = 63,234,374,326,575.79
  5. Step 5: Solve for x
    x = 63,234,374,326,575.79/7,221,741.84
  6. Step 6: Final answer
    x = 8,756,111.16

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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.