Home / 43,722,698.80-65,584,048.20-13,432,068.40

Finding the Fourth Proportional to 43,722,698.80, 65,584,048.20 and 13,432,068.40

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Solution

The fourth proportional to 43,722,698.80, 65,584,048.20 and 13,432,068.40 is: 20,148,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722,698.80 : 65,584,048.20 = 13,432,068.40 : x
  2. Step 2: Convert to fraction form
    43,722,698.80/65,584,048.20 = 13,432,068.40/x
  3. Step 3: Cross multiply
    43,722,698.80x = 65,584,048.20 × 13,432,068.40
  4. Step 4: Simplify right side
    43,722,698.80x = 880,929,421,371,297
  5. Step 5: Solve for x
    x = 880,929,421,371,297/43,722,698.80
  6. Step 6: Final answer
    x = 20,148,102.60

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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.