Home / 9,288,308.77-12,818,291.94-5,158,358.84

Finding the Fourth Proportional to 9,288,308.77, 12,818,291.94 and 5,158,358.84

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Solution

The fourth proportional to 9,288,308.77, 12,818,291.94 and 5,158,358.84 is: 7,118,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,308.77 : 12,818,291.94 = 5,158,358.84 : x
  2. Step 2: Convert to fraction form
    9,288,308.77/12,818,291.94 = 5,158,358.84/x
  3. Step 3: Cross multiply
    9,288,308.77x = 12,818,291.94 × 5,158,358.84
  4. Step 4: Simplify right side
    9,288,308.77x = 66,121,349,574,445.48
  5. Step 5: Solve for x
    x = 66,121,349,574,445.48/9,288,308.77
  6. Step 6: Final answer
    x = 7,118,771.70

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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.