Home / 22,956,682.96-31,681,655.22-12,643,403.32

Finding the Fourth Proportional to 22,956,682.96, 31,681,655.22 and 12,643,403.32

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Solution

The fourth proportional to 22,956,682.96, 31,681,655.22 and 12,643,403.32 is: 17,448,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,956,682.96 : 31,681,655.22 = 12,643,403.32 : x
  2. Step 2: Convert to fraction form
    22,956,682.96/31,681,655.22 = 12,643,403.32/x
  3. Step 3: Cross multiply
    22,956,682.96x = 31,681,655.22 × 12,643,403.32
  4. Step 4: Simplify right side
    22,956,682.96x = 400,563,944,791,643.31
  5. Step 5: Solve for x
    x = 400,563,944,791,643.31/22,956,682.96
  6. Step 6: Final answer
    x = 17,448,685.66

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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.