Home / 21,973,768.40-32,974,649.40-12,875,848.40

Finding the Fourth Proportional to 21,973,768.40, 32,974,649.40 and 12,875,848.40

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Solution

The fourth proportional to 21,973,768.40, 32,974,649.40 and 12,875,848.40 is: 19,321,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973,768.40 : 32,974,649.40 = 12,875,848.40 : x
  2. Step 2: Convert to fraction form
    21,973,768.40/32,974,649.40 = 12,875,848.40/x
  3. Step 3: Cross multiply
    21,973,768.40x = 32,974,649.40 × 12,875,848.40
  4. Step 4: Simplify right side
    21,973,768.40x = 424,576,586,717,550.94
  5. Step 5: Solve for x
    x = 424,576,586,717,550.94/21,973,768.40
  6. Step 6: Final answer
    x = 19,321,974.23

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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.