Home / 14,195,671.68-21,308,662.08-6,112,649.28

Finding the Fourth Proportional to 14,195,671.68, 21,308,662.08 and 6,112,649.28

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Solution

The fourth proportional to 14,195,671.68, 21,308,662.08 and 6,112,649.28 is: 9,175,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,671.68 : 21,308,662.08 = 6,112,649.28 : x
  2. Step 2: Convert to fraction form
    14,195,671.68/21,308,662.08 = 6,112,649.28/x
  3. Step 3: Cross multiply
    14,195,671.68x = 21,308,662.08 × 6,112,649.28
  4. Step 4: Simplify right side
    14,195,671.68x = 130,252,377,921,075.30
  5. Step 5: Solve for x
    x = 130,252,377,921,075.30/14,195,671.68
  6. Step 6: Final answer
    x = 9,175,499.47

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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.