Home / 12,485,858.16-17,232,677.04-7,260,483.21

Finding the Fourth Proportional to 12,485,858.16, 17,232,677.04 and 7,260,483.21

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Solution

The fourth proportional to 12,485,858.16, 17,232,677.04 and 7,260,483.21 is: 10,020,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,858.16 : 17,232,677.04 = 7,260,483.21 : x
  2. Step 2: Convert to fraction form
    12,485,858.16/17,232,677.04 = 7,260,483.21/x
  3. Step 3: Cross multiply
    12,485,858.16x = 17,232,677.04 × 7,260,483.21
  4. Step 4: Simplify right side
    12,485,858.16x = 125,117,562,312,272.48
  5. Step 5: Solve for x
    x = 125,117,562,312,272.48/12,485,858.16
  6. Step 6: Final answer
    x = 10,020,741.92

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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.