Home / 10,070,887.32-13,891,889.97-7,127,393.04

Finding the Fourth Proportional to 10,070,887.32, 13,891,889.97 and 7,127,393.04

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Solution

The fourth proportional to 10,070,887.32, 13,891,889.97 and 7,127,393.04 is: 9,831,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,887.32 : 13,891,889.97 = 7,127,393.04 : x
  2. Step 2: Convert to fraction form
    10,070,887.32/13,891,889.97 = 7,127,393.04/x
  3. Step 3: Cross multiply
    10,070,887.32x = 13,891,889.97 × 7,127,393.04
  4. Step 4: Simplify right side
    10,070,887.32x = 99,012,959,884,623.81
  5. Step 5: Solve for x
    x = 99,012,959,884,623.81/10,070,887.32
  6. Step 6: Final answer
    x = 9,831,602.39

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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.