Home / 8,182,981.40-12,281,907.90-4,142,280.20

Finding the Fourth Proportional to 8,182,981.40, 12,281,907.90 and 4,142,280.20

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Solution

The fourth proportional to 8,182,981.40, 12,281,907.90 and 4,142,280.20 is: 6,217,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182,981.40 : 12,281,907.90 = 4,142,280.20 : x
  2. Step 2: Convert to fraction form
    8,182,981.40/12,281,907.90 = 4,142,280.20/x
  3. Step 3: Cross multiply
    8,182,981.40x = 12,281,907.90 × 4,142,280.20
  4. Step 4: Simplify right side
    8,182,981.40x = 50,875,103,912,393.59
  5. Step 5: Solve for x
    x = 50,875,103,912,393.59/8,182,981.40
  6. Step 6: Final answer
    x = 6,217,184.35

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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.