Home / 12,672,057.60-19,003,420.80-6,280,185.60

Finding the Fourth Proportional to 12,672,057.60, 19,003,420.80 and 6,280,185.60

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Solution

The fourth proportional to 12,672,057.60, 19,003,420.80 and 6,280,185.60 is: 9,417,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,057.60 : 19,003,420.80 = 6,280,185.60 : x
  2. Step 2: Convert to fraction form
    12,672,057.60/19,003,420.80 = 6,280,185.60/x
  3. Step 3: Cross multiply
    12,672,057.60x = 19,003,420.80 × 6,280,185.60
  4. Step 4: Simplify right side
    12,672,057.60x = 119,345,009,658,900.48
  5. Step 5: Solve for x
    x = 119,345,009,658,900.48/12,672,057.60
  6. Step 6: Final answer
    x = 9,417,966.16

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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.