Home / 7,688,667.72-10,610,231.40-5,487,583.44

Finding the Fourth Proportional to 7,688,667.72, 10,610,231.40 and 5,487,583.44

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Solution

The fourth proportional to 7,688,667.72, 10,610,231.40 and 5,487,583.44 is: 7,572,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,667.72 : 10,610,231.40 = 5,487,583.44 : x
  2. Step 2: Convert to fraction form
    7,688,667.72/10,610,231.40 = 5,487,583.44/x
  3. Step 3: Cross multiply
    7,688,667.72x = 10,610,231.40 × 5,487,583.44
  4. Step 4: Simplify right side
    7,688,667.72x = 58,224,530,125,208.02
  5. Step 5: Solve for x
    x = 58,224,530,125,208.02/7,688,667.72
  6. Step 6: Final answer
    x = 7,572,772.32

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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.