Home / 19,574,909.60-29,362,364.40-12,772,464.80

Finding the Fourth Proportional to 19,574,909.60, 29,362,364.40 and 12,772,464.80

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Solution

The fourth proportional to 19,574,909.60, 29,362,364.40 and 12,772,464.80 is: 19,158,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,909.60 : 29,362,364.40 = 12,772,464.80 : x
  2. Step 2: Convert to fraction form
    19,574,909.60/29,362,364.40 = 12,772,464.80/x
  3. Step 3: Cross multiply
    19,574,909.60x = 29,362,364.40 × 12,772,464.80
  4. Step 4: Simplify right side
    19,574,909.60x = 375,029,765,743,773.12
  5. Step 5: Solve for x
    x = 375,029,765,743,773.12/19,574,909.60
  6. Step 6: Final answer
    x = 19,158,697.20

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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.