Home / 21,083,432.10-31,621,952.48-7,252,495.53

Finding the Fourth Proportional to 21,083,432.10, 31,621,952.48 and 7,252,495.53

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Solution

The fourth proportional to 21,083,432.10, 31,621,952.48 and 7,252,495.53 is: 10,877,644.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083,432.10 : 31,621,952.48 = 7,252,495.53 : x
  2. Step 2: Convert to fraction form
    21,083,432.10/31,621,952.48 = 7,252,495.53/x
  3. Step 3: Cross multiply
    21,083,432.10x = 31,621,952.48 × 7,252,495.53
  4. Step 4: Simplify right side
    21,083,432.10x = 229,338,068,974,809.97
  5. Step 5: Solve for x
    x = 229,338,068,974,809.97/21,083,432.10
  6. Step 6: Final answer
    x = 10,877,644.01

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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.