Home / 12,989,283.40-19,485,674.70-4,472,230.60

Finding the Fourth Proportional to 12,989,283.40, 19,485,674.70 and 4,472,230.60

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Solution

The fourth proportional to 12,989,283.40, 19,485,674.70 and 4,472,230.60 is: 6,708,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,989,283.40 : 19,485,674.70 = 4,472,230.60 : x
  2. Step 2: Convert to fraction form
    12,989,283.40/19,485,674.70 = 4,472,230.60/x
  3. Step 3: Cross multiply
    12,989,283.40x = 19,485,674.70 × 4,472,230.60
  4. Step 4: Simplify right side
    12,989,283.40x = 87,144,430,654,985.81
  5. Step 5: Solve for x
    x = 87,144,430,654,985.81/12,989,283.40
  6. Step 6: Final answer
    x = 6,708,948.29

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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.