Home / 8,112,133.35-12,168,200.03-4,920,862.95

Finding the Fourth Proportional to 8,112,133.35, 12,168,200.03 and 4,920,862.95

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Solution

The fourth proportional to 8,112,133.35, 12,168,200.03 and 4,920,862.95 is: 7,381,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112,133.35 : 12,168,200.03 = 4,920,862.95 : x
  2. Step 2: Convert to fraction form
    8,112,133.35/12,168,200.03 = 4,920,862.95/x
  3. Step 3: Cross multiply
    8,112,133.35x = 12,168,200.03 × 4,920,862.95
  4. Step 4: Simplify right side
    8,112,133.35x = 59,878,044,671,211.58
  5. Step 5: Solve for x
    x = 59,878,044,671,211.58/8,112,133.35
  6. Step 6: Final answer
    x = 7,381,294.43

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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.