Home / 21,241,663.40-31,862,495.10-6,097,125.80

Finding the Fourth Proportional to 21,241,663.40, 31,862,495.10 and 6,097,125.80

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Solution

The fourth proportional to 21,241,663.40, 31,862,495.10 and 6,097,125.80 is: 9,145,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,663.40 : 31,862,495.10 = 6,097,125.80 : x
  2. Step 2: Convert to fraction form
    21,241,663.40/31,862,495.10 = 6,097,125.80/x
  3. Step 3: Cross multiply
    21,241,663.40x = 31,862,495.10 × 6,097,125.80
  4. Step 4: Simplify right side
    21,241,663.40x = 194,269,640,926,583.59
  5. Step 5: Solve for x
    x = 194,269,640,926,583.59/21,241,663.40
  6. Step 6: Final answer
    x = 9,145,688.70

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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.