Home / 7,920,193.20-10,929,871.08-4,298,521.20

Finding the Fourth Proportional to 7,920,193.20, 10,929,871.08 and 4,298,521.20

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Solution

The fourth proportional to 7,920,193.20, 10,929,871.08 and 4,298,521.20 is: 5,931,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,193.20 : 10,929,871.08 = 4,298,521.20 : x
  2. Step 2: Convert to fraction form
    7,920,193.20/10,929,871.08 = 4,298,521.20/x
  3. Step 3: Cross multiply
    7,920,193.20x = 10,929,871.08 × 4,298,521.20
  4. Step 4: Simplify right side
    7,920,193.20x = 46,982,282,550,646.90
  5. Step 5: Solve for x
    x = 46,982,282,550,646.90/7,920,193.20
  6. Step 6: Final answer
    x = 5,931,961.68

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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.