Home / 8,998,567.12-13,499,258.36-2,931,890.64

Finding the Fourth Proportional to 8,998,567.12, 13,499,258.36 and 2,931,890.64

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Solution

The fourth proportional to 8,998,567.12, 13,499,258.36 and 2,931,890.64 is: 4,398,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,567.12 : 13,499,258.36 = 2,931,890.64 : x
  2. Step 2: Convert to fraction form
    8,998,567.12/13,499,258.36 = 2,931,890.64/x
  3. Step 3: Cross multiply
    8,998,567.12x = 13,499,258.36 × 2,931,890.64
  4. Step 4: Simplify right side
    8,998,567.12x = 39,578,349,232,625.75
  5. Step 5: Solve for x
    x = 39,578,349,232,625.75/8,998,567.12
  6. Step 6: Final answer
    x = 4,398,294.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.