Home / 10,239,785.48-14,130,632.82-5,656,008.20

Finding the Fourth Proportional to 10,239,785.48, 14,130,632.82 and 5,656,008.20

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Solution

The fourth proportional to 10,239,785.48, 14,130,632.82 and 5,656,008.20 is: 7,805,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,785.48 : 14,130,632.82 = 5,656,008.20 : x
  2. Step 2: Convert to fraction form
    10,239,785.48/14,130,632.82 = 5,656,008.20/x
  3. Step 3: Cross multiply
    10,239,785.48x = 14,130,632.82 × 5,656,008.20
  4. Step 4: Simplify right side
    10,239,785.48x = 79,922,975,101,109.12
  5. Step 5: Solve for x
    x = 79,922,975,101,109.12/10,239,785.48
  6. Step 6: Final answer
    x = 7,805,141.55

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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.