Home / 13,620,312.60-18,796,159.64-7,508,959.80

Finding the Fourth Proportional to 13,620,312.60, 18,796,159.64 and 7,508,959.80

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Solution

The fourth proportional to 13,620,312.60, 18,796,159.64 and 7,508,959.80 is: 10,362,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,312.60 : 18,796,159.64 = 7,508,959.80 : x
  2. Step 2: Convert to fraction form
    13,620,312.60/18,796,159.64 = 7,508,959.80/x
  3. Step 3: Cross multiply
    13,620,312.60x = 18,796,159.64 × 7,508,959.80
  4. Step 4: Simplify right side
    13,620,312.60x = 141,139,607,131,142.47
  5. Step 5: Solve for x
    x = 141,139,607,131,142.47/13,620,312.60
  6. Step 6: Final answer
    x = 10,362,435.23

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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.