Home / 8,539,307.12-11,784,041.52-4,671,859.88

Finding the Fourth Proportional to 8,539,307.12, 11,784,041.52 and 4,671,859.88

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Solution

The fourth proportional to 8,539,307.12, 11,784,041.52 and 4,671,859.88 is: 6,447,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,307.12 : 11,784,041.52 = 4,671,859.88 : x
  2. Step 2: Convert to fraction form
    8,539,307.12/11,784,041.52 = 4,671,859.88/x
  3. Step 3: Cross multiply
    8,539,307.12x = 11,784,041.52 × 4,671,859.88
  4. Step 4: Simplify right side
    8,539,307.12x = 55,053,390,801,542.21
  5. Step 5: Solve for x
    x = 55,053,390,801,542.21/8,539,307.12
  6. Step 6: Final answer
    x = 6,447,055.95

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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.