Home / 21,988,564.40-32,994,656.40-9,210,360.80

Finding the Fourth Proportional to 21,988,564.40, 32,994,656.40 and 9,210,360.80

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Solution

The fourth proportional to 21,988,564.40, 32,994,656.40 and 9,210,360.80 is: 13,820,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,564.40 : 32,994,656.40 = 9,210,360.80 : x
  2. Step 2: Convert to fraction form
    21,988,564.40/32,994,656.40 = 9,210,360.80/x
  3. Step 3: Cross multiply
    21,988,564.40x = 32,994,656.40 × 9,210,360.80
  4. Step 4: Simplify right side
    21,988,564.40x = 303,892,689,916,029.12
  5. Step 5: Solve for x
    x = 303,892,689,916,029.12/21,988,564.40
  6. Step 6: Final answer
    x = 13,820,487.98

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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.