Home / 7,280,127.90-10,046,786.79-4,017,152.76

Finding the Fourth Proportional to 7,280,127.90, 10,046,786.79 and 4,017,152.76

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Solution

The fourth proportional to 7,280,127.90, 10,046,786.79 and 4,017,152.76 is: 5,543,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,127.90 : 10,046,786.79 = 4,017,152.76 : x
  2. Step 2: Convert to fraction form
    7,280,127.90/10,046,786.79 = 4,017,152.76/x
  3. Step 3: Cross multiply
    7,280,127.90x = 10,046,786.79 × 4,017,152.76
  4. Step 4: Simplify right side
    7,280,127.90x = 40,359,477,282,580.03
  5. Step 5: Solve for x
    x = 40,359,477,282,580.03/7,280,127.90
  6. Step 6: Final answer
    x = 5,543,786.85

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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.