Home / 10,134,895.12-13,985,982.48-5,488,642.45

Finding the Fourth Proportional to 10,134,895.12, 13,985,982.48 and 5,488,642.45

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Solution

The fourth proportional to 10,134,895.12, 13,985,982.48 and 5,488,642.45 is: 7,574,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,895.12 : 13,985,982.48 = 5,488,642.45 : x
  2. Step 2: Convert to fraction form
    10,134,895.12/13,985,982.48 = 5,488,642.45/x
  3. Step 3: Cross multiply
    10,134,895.12x = 13,985,982.48 × 5,488,642.45
  4. Step 4: Simplify right side
    10,134,895.12x = 76,764,057,144,684.28
  5. Step 5: Solve for x
    x = 76,764,057,144,684.28/10,134,895.12
  6. Step 6: Final answer
    x = 7,574,233.01

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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.