Home / 7,411,254.72-10,219,409.88-4,828,145.28

Finding the Fourth Proportional to 7,411,254.72, 10,219,409.88 and 4,828,145.28

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Solution

The fourth proportional to 7,411,254.72, 10,219,409.88 and 4,828,145.28 is: 6,657,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411,254.72 : 10,219,409.88 = 4,828,145.28 : x
  2. Step 2: Convert to fraction form
    7,411,254.72/10,219,409.88 = 4,828,145.28/x
  3. Step 3: Cross multiply
    7,411,254.72x = 10,219,409.88 × 4,828,145.28
  4. Step 4: Simplify right side
    7,411,254.72x = 49,340,795,576,507.38
  5. Step 5: Solve for x
    x = 49,340,795,576,507.38/7,411,254.72
  6. Step 6: Final answer
    x = 6,657,549.56

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Double scale
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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.