Home / 21,094,075.82-29,114,377.70-12,836,798.53

Finding the Fourth Proportional to 21,094,075.82, 29,114,377.70 and 12,836,798.53

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Solution

The fourth proportional to 21,094,075.82, 29,114,377.70 and 12,836,798.53 is: 17,717,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,075.82 : 29,114,377.70 = 12,836,798.53 : x
  2. Step 2: Convert to fraction form
    21,094,075.82/29,114,377.70 = 12,836,798.53/x
  3. Step 3: Cross multiply
    21,094,075.82x = 29,114,377.70 × 12,836,798.53
  4. Step 4: Simplify right side
    21,094,075.82x = 373,735,400,724,254.81
  5. Step 5: Solve for x
    x = 373,735,400,724,254.81/21,094,075.82
  6. Step 6: Final answer
    x = 17,717,552.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.