Home / 21,637,038.87-32,404,036.23-12,519,922.41

Finding the Fourth Proportional to 21,637,038.87, 32,404,036.23 and 12,519,922.41

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Solution

The fourth proportional to 21,637,038.87, 32,404,036.23 and 12,519,922.41 is: 18,750,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637,038.87 : 32,404,036.23 = 12,519,922.41 : x
  2. Step 2: Convert to fraction form
    21,637,038.87/32,404,036.23 = 12,519,922.41/x
  3. Step 3: Cross multiply
    21,637,038.87x = 32,404,036.23 × 12,519,922.41
  4. Step 4: Simplify right side
    21,637,038.87x = 405,696,019,370,428.94
  5. Step 5: Solve for x
    x = 405,696,019,370,428.94/21,637,038.87
  6. Step 6: Final answer
    x = 18,750,071.20

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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.