Home / 34,688,690.32-47,860,115.88-20,932,013.20

Finding the Fourth Proportional to 34,688,690.32, 47,860,115.88 and 20,932,013.20

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Solution

The fourth proportional to 34,688,690.32, 47,860,115.88 and 20,932,013.20 is: 28,879,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688,690.32 : 47,860,115.88 = 20,932,013.20 : x
  2. Step 2: Convert to fraction form
    34,688,690.32/47,860,115.88 = 20,932,013.20/x
  3. Step 3: Cross multiply
    34,688,690.32x = 47,860,115.88 × 20,932,013.20
  4. Step 4: Simplify right side
    34,688,690.32x = 1,001,808,577,353,689.62
  5. Step 5: Solve for x
    x = 1,001,808,577,353,689.62/34,688,690.32
  6. Step 6: Final answer
    x = 28,879,976.96

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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.