Home / 39,379,320.80-59,063,451.60-12,455,698.40

Finding the Fourth Proportional to 39,379,320.80, 59,063,451.60 and 12,455,698.40

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Solution

The fourth proportional to 39,379,320.80, 59,063,451.60 and 12,455,698.40 is: 18,681,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379,320.80 : 59,063,451.60 = 12,455,698.40 : x
  2. Step 2: Convert to fraction form
    39,379,320.80/59,063,451.60 = 12,455,698.40/x
  3. Step 3: Cross multiply
    39,379,320.80x = 59,063,451.60 × 12,455,698.40
  4. Step 4: Simplify right side
    39,379,320.80x = 735,676,539,592,597.50
  5. Step 5: Solve for x
    x = 735,676,539,592,597.50/39,379,320.80
  6. Step 6: Final answer
    x = 18,681,798.58

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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.