Home / 19,357,478.64-26,698,399.65-12,019,656.24

Finding the Fourth Proportional to 19,357,478.64, 26,698,399.65 and 12,019,656.24

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Solution

The fourth proportional to 19,357,478.64, 26,698,399.65 and 12,019,656.24 is: 16,577,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357,478.64 : 26,698,399.65 = 12,019,656.24 : x
  2. Step 2: Convert to fraction form
    19,357,478.64/26,698,399.65 = 12,019,656.24/x
  3. Step 3: Cross multiply
    19,357,478.64x = 26,698,399.65 × 12,019,656.24
  4. Step 4: Simplify right side
    19,357,478.64x = 320,905,585,951,136.31
  5. Step 5: Solve for x
    x = 320,905,585,951,136.31/19,357,478.64
  6. Step 6: Final answer
    x = 16,577,860.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.