Home / 12,097,363.60-18,143,971.80-4,520,429.20

Finding the Fourth Proportional to 12,097,363.60, 18,143,971.80 and 4,520,429.20

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Solution

The fourth proportional to 12,097,363.60, 18,143,971.80 and 4,520,429.20 is: 6,779,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,363.60 : 18,143,971.80 = 4,520,429.20 : x
  2. Step 2: Convert to fraction form
    12,097,363.60/18,143,971.80 = 4,520,429.20/x
  3. Step 3: Cross multiply
    12,097,363.60x = 18,143,971.80 × 4,520,429.20
  4. Step 4: Simplify right side
    12,097,363.60x = 82,018,539,928,696.56
  5. Step 5: Solve for x
    x = 82,018,539,928,696.56/12,097,363.60
  6. Step 6: Final answer
    x = 6,779,868.96

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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.