Home / 19,956,051.60-29,934,077.40-8,618,643.60

Finding the Fourth Proportional to 19,956,051.60, 29,934,077.40 and 8,618,643.60

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Solution

The fourth proportional to 19,956,051.60, 29,934,077.40 and 8,618,643.60 is: 12,927,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,051.60 : 29,934,077.40 = 8,618,643.60 : x
  2. Step 2: Convert to fraction form
    19,956,051.60/29,934,077.40 = 8,618,643.60/x
  3. Step 3: Cross multiply
    19,956,051.60x = 29,934,077.40 × 8,618,643.60
  4. Step 4: Simplify right side
    19,956,051.60x = 257,991,144,605,414.62
  5. Step 5: Solve for x
    x = 257,991,144,605,414.62/19,956,051.60
  6. Step 6: Final answer
    x = 12,927,965.40

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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.