Home / 5,479,533.10-7,688,142.50-5,479,533.10

Finding the Fourth Proportional to 5,479,533.10, 7,688,142.50 and 5,479,533.10

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Solution

The fourth proportional to 5,479,533.10, 7,688,142.50 and 5,479,533.10 is: 7,688,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,533.10 : 7,688,142.50 = 5,479,533.10 : x
  2. Step 2: Convert to fraction form
    5,479,533.10/7,688,142.50 = 5,479,533.10/x
  3. Step 3: Cross multiply
    5,479,533.10x = 7,688,142.50 × 5,479,533.10
  4. Step 4: Simplify right side
    5,479,533.10x = 42,127,431,306,266.75
  5. Step 5: Solve for x
    x = 42,127,431,306,266.75/5,479,533.10
  6. Step 6: Final answer
    x = 7,688,142.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.