Home / 12,010,970.40-18,016,455.60-4,436,368.80

Finding the Fourth Proportional to 12,010,970.40, 18,016,455.60 and 4,436,368.80

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Solution

The fourth proportional to 12,010,970.40, 18,016,455.60 and 4,436,368.80 is: 6,654,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,970.40 : 18,016,455.60 = 4,436,368.80 : x
  2. Step 2: Convert to fraction form
    12,010,970.40/18,016,455.60 = 4,436,368.80/x
  3. Step 3: Cross multiply
    12,010,970.40x = 18,016,455.60 × 4,436,368.80
  4. Step 4: Simplify right side
    12,010,970.40x = 79,927,641,510,425.28
  5. Step 5: Solve for x
    x = 79,927,641,510,425.28/12,010,970.40
  6. Step 6: Final answer
    x = 6,654,553.20

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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.