Home / 7,688,962.92-11,533,455.60-3,140,011.77

Finding the Fourth Proportional to 7,688,962.92, 11,533,455.60 and 3,140,011.77

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Solution

The fourth proportional to 7,688,962.92, 11,533,455.60 and 3,140,011.77 is: 4,710,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,962.92 : 11,533,455.60 = 3,140,011.77 : x
  2. Step 2: Convert to fraction form
    7,688,962.92/11,533,455.60 = 3,140,011.77/x
  3. Step 3: Cross multiply
    7,688,962.92x = 11,533,455.60 × 3,140,011.77
  4. Step 4: Simplify right side
    7,688,962.92x = 36,215,186,332,772.41
  5. Step 5: Solve for x
    x = 36,215,186,332,772.41/7,688,962.92
  6. Step 6: Final answer
    x = 4,710,022.24

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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.