Home / 14,915,521.20-22,373,281.80-12,522,068.40

Finding the Fourth Proportional to 14,915,521.20, 22,373,281.80 and 12,522,068.40

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Solution

The fourth proportional to 14,915,521.20, 22,373,281.80 and 12,522,068.40 is: 18,783,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915,521.20 : 22,373,281.80 = 12,522,068.40 : x
  2. Step 2: Convert to fraction form
    14,915,521.20/22,373,281.80 = 12,522,068.40/x
  3. Step 3: Cross multiply
    14,915,521.20x = 22,373,281.80 × 12,522,068.40
  4. Step 4: Simplify right side
    14,915,521.20x = 280,159,765,032,075.12
  5. Step 5: Solve for x
    x = 280,159,765,032,075.12/14,915,521.20
  6. Step 6: Final answer
    x = 18,783,102.60

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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.