Home / 10,134,965.51-13,986,079.55-5,488,712.89

Finding the Fourth Proportional to 10,134,965.51, 13,986,079.55 and 5,488,712.89

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Solution

The fourth proportional to 10,134,965.51, 13,986,079.55 and 5,488,712.89 is: 7,574,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,965.51 : 13,986,079.55 = 5,488,712.89 : x
  2. Step 2: Convert to fraction form
    10,134,965.51/13,986,079.55 = 5,488,712.89/x
  3. Step 3: Cross multiply
    10,134,965.51x = 13,986,079.55 × 5,488,712.89
  4. Step 4: Simplify right side
    10,134,965.51x = 76,765,575,106,650.41
  5. Step 5: Solve for x
    x = 76,765,575,106,650.41/10,134,965.51
  6. Step 6: Final answer
    x = 7,574,330.18

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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.