Home / 10,139,968.32-13,987,922.40-6,875,678.40

Finding the Fourth Proportional to 10,139,968.32, 13,987,922.40 and 6,875,678.40

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Solution

The fourth proportional to 10,139,968.32, 13,987,922.40 and 6,875,678.40 is: 9,484,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,968.32 : 13,987,922.40 = 6,875,678.40 : x
  2. Step 2: Convert to fraction form
    10,139,968.32/13,987,922.40 = 6,875,678.40/x
  3. Step 3: Cross multiply
    10,139,968.32x = 13,987,922.40 × 6,875,678.40
  4. Step 4: Simplify right side
    10,139,968.32x = 96,176,455,906,556.17
  5. Step 5: Solve for x
    x = 96,176,455,906,556.17/10,139,968.32
  6. Step 6: Final answer
    x = 9,484,887.22

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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.