Home / 20,700,702.61-28,567,164.83-11,408,607.76

Finding the Fourth Proportional to 20,700,702.61, 28,567,164.83 and 11,408,607.76

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Solution

The fourth proportional to 20,700,702.61, 28,567,164.83 and 11,408,607.76 is: 15,743,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,702.61 : 28,567,164.83 = 11,408,607.76 : x
  2. Step 2: Convert to fraction form
    20,700,702.61/28,567,164.83 = 11,408,607.76/x
  3. Step 3: Cross multiply
    20,700,702.61x = 28,567,164.83 × 11,408,607.76
  4. Step 4: Simplify right side
    20,700,702.61x = 325,911,578,360,737.06
  5. Step 5: Solve for x
    x = 325,911,578,360,737.06/20,700,702.61
  6. Step 6: Final answer
    x = 15,743,986.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.