Home / 8,143,313.60-12,214,970.40-2,159,681.60

Finding the Fourth Proportional to 8,143,313.60, 12,214,970.40 and 2,159,681.60

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Solution

The fourth proportional to 8,143,313.60, 12,214,970.40 and 2,159,681.60 is: 3,239,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,313.60 : 12,214,970.40 = 2,159,681.60 : x
  2. Step 2: Convert to fraction form
    8,143,313.60/12,214,970.40 = 2,159,681.60/x
  3. Step 3: Cross multiply
    8,143,313.60x = 12,214,970.40 × 2,159,681.60
  4. Step 4: Simplify right side
    8,143,313.60x = 26,380,446,817,424.64
  5. Step 5: Solve for x
    x = 26,380,446,817,424.64/8,143,313.60
  6. Step 6: Final answer
    x = 3,239,522.40

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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.